The statement "using higher order functions, complete the mul by num function. this function should take an argument and return a one argument function that multiplies any value passed to it by the original number" is True. It is possible to complete the `mul_by_num` function using higher order functions. A higher order function is a function that either takes one or more functions as arguments, or returns a function as its result.
In this case, the `mul_by_num` function should take an argument and return a one argument function that multiplies any value passed to it by the original number. Here's how you can do it:
```python
def mul_by_num(num):
def num_function(val):
return val * num
return num_function
```
The `mul_by_num` function takes an argument `num` and returns a one argument function `num_function` that multiplies any value passed to it by the original number `num`. The `num_function` is a higher order function because it is returned by the `mul_by_num` function.
You can use the `mul_by_num` function like this:
```python
mul_by_5 = mul_by_num(5)
print(mul_by_5(10)) # 50
```
The `mul_by_num` function is called with the argument `5` and returns a one argument function `mul_by_5` that multiplies any value passed to it by 5. When the `mul_by_5` function is called with the argument `10`, it returns the result `50`.
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The diameter of a semicircle is 38.8 feet. What is the semicircle's perimeter?
Please help me answer my homework in the image
Here, option (a) is correct i.e., MNOP is a trapezoid because exactly one pair of opposite sides is parallel.
What is Trapezoid?In Euclidean geometry, a trapezoid is defined as a convex quadrilateral by definition. The bases of the trapezoid are parallel sides. The formula to find the area will be:
Area = 1/2 x (sum of the lengths of the parallel sides) x perpendicular distance between parallel sides
Perimeter = is the sum of lengths of sides of the trapezoid
Quadrilateral MNOP is a trapezoid because exactly one pair of opposite sides is parallel.
To see the image please see the graph given below.
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4
A sports analyst is interested in the relationship
between the number of three-point shots players
attempt in a game and the number of points scored
To investigate the relationship, he collects a simple
random sample of 15 games and records the number
of three-point shots attempted and the total number of
points scored. He finds the equation of the least-
squares regression line to be ý=65.7 +0.729x,
where y is points scored and x is the number of three-
point shots attempted. The residual plot is shown.
Residual
20
10
2
3
Based on the residual plot, is the linear model
appropriate?
7
O No, the residuals are relatively large.
O No, there is a clear pattern in the residual plot
OYes, there is no clear pattern in the residual plot
Yes, about half of the residuals are positive and
half are negative.
Save and Exit
Next
Submit
Answer:
B. No, there is a clear pattern in the residual plot.
Step-by-step explanation:
The residual plot shows the differences between the observed values and the predicted values from the linear regression model. In a good model, the residuals should be randomly scattered around the horizontal line at 0, indicating that the model is capturing all the relevant information in the data.
However, in this case, we can see a clear pattern in the residual plot where the residuals are not randomly scattered around 0. Instead, there seems to be a curved pattern, where the residuals are relatively large for small and large values of x, and relatively small for intermediate values of x. This suggests that the linear model may not be the best fit for the data, and that some other type of model, such as a quadratic or cubic model, may be more appropriate. Therefore, the correct answer is B. No, there is a clear pattern in the residual plot.
Hope this helps! Sorry if it's wrong. If you need more help, ask me! :]
Find the volume of a cylinder with a diameter of 28 meters and a height of 7 and one half meters. Approximate using tt =22 over 7.
if it has a diameter of 28, its radius is half that or 14.
[tex]\textit{volume of a cylinder}\\\\ V=\pi r^2 h~~ \begin{cases} r=radius\\ h=height\\[-0.5em] \hrulefill\\ r=14\\ h=7.5 \end{cases}\implies V=\pi (14)^2(7.5) \\\\\\ V=1470\pi \implies V=1470(\frac{22}{7})\implies V=4620~m^3[/tex]
Find WX. PLEASEE HELP
The measurement of WX in the given figure is 22.
What is the median?When a set οf numbers is sοrted in size οrder, the median is the middle value. It is used tο define a set οf data by identifying the numerical midpοint and is a measure οf central tendency. When a grοup οf numbers is οrganized frοm smallest tο largest, the middle number is the οne that shοws up.
A trapezοid's median is the line that divides it intο twο equal sectiοns. The middle line οr the midline is anοther name fοr it. Its length is equal tο the average οf the twο bases οf the trapezοid and runs parallel tο thοse bases.
In the given trapezοid STUV, the length οf the bases ST and UV can be calculated by dividing the median in twο parts and fοlding it and jοining tο tο make a lοng rectangle.
Now the new rectangle is WW'SU where the median was 2wx
In a rectangle opposite side are equal, Therefore
W'W = US
W'W = 2WX
US = UV + ST
= 16 +28
= 44
2WX = 44
WX = 44/2
WX = 22
Thus, The measurement of WX in the given figure is 22.
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PLEASE SHOW WORK!!!!!!!!!
For the two functions given, the value for f(g(8)) is option D - 24.
What is a function?
In mathematics, a function is a unique arrangement of the inputs (also referred to as the domain) and their outputs (sometimes referred to as the codomain), where each input has exactly one output and the output can be linked to its input.
The first function is given as f(x) = x² + 2x.
The second function is given as g(x) = √(2x).
To find f(g(8)), we need to first evaluate g(8) and then plug the result into f(x).
Using g(x) = √(2x), we can find g(8).
Substitute the value of x in the equation -
g(8) = √(2(8))
g(8) = √16
g(8) = 4
Now that we know g(8) = 4, we can find f(g(8)) by plugging in 4 for x in f(x) .
Substitute the value of g(8) in the equation -
f(g(8)) = f(4)
f(g(8)) = 4² + 2(4)
f(g(8)) = 16 + 8
f(g(8)) = 24
Therefore, the solution is obtained as 24.
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Carly bought 2 1/4 pounds of apples. she used 2/3 of the apples to make applesauce. how may pounds of apples did she have left
The pounds of apples that she has left is 3/4 pounds.
How many pounds of apples does she have left?A mixed number is a number that is made up of a whole number and a proper fraction. An example of a mixed number is 1 1/4. Where 1 is the whole number and 1 /4 is the proper fraction.
The fraction of the apples used in making the applesauce = 2 1/4 x 2/3
9/4 = 3/2 = 1 1/2
Fraction of apples left = 2 1/4 - 1 1/2
[tex]2\frac{1}{4} - 1\frac{1}{2}[/tex]
[tex]1\frac{1 - 2}{4}[/tex] = [tex]\frac{3}{4}[/tex]
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NEED ANSWER ASAP
3. A large pizza at Pizza Palace costs $11.50 plus $0.90 per topping. The cost for a large pizza at Tasty Pizza costs $13.25 plus $0.55 per topping.
Let n represent the number of toppings.
Let c represent the total cost for the pizza.
a) Write a system of equations to model this scenario.
b) Then solve the system (using the SUBSTITUTION method) to find the number of toppings where the cost is the same.
Be sure to show all work
a) The system of equations modeling this scenario is as follows:
C = 11.50 + 0.9n
C = 13.25 + 0.55n.
b) The number of toppings where the cost is the same at either Pizza Palace or Tasty Pizza is 5.
What is a system of equations?A system of equations is two or more equations solved concurrently.
A system of equations is also called simultaneous equations because the equations are solved at the same time or simultaneously.
Pizza Palace Tasty Pizza
Pizza cost per unit $11.50 $13.25
Topping cost per unit $0.90 $0.55
Let the number of toppings = n
Let the total cost for the pizza at each pizza place = c
Equations:The total cost at Pizza Palace C = 11.50 + 0.9n... Equation 1
The total cost at Tasty Pizza, C = 13.25 + 0.55n... Equation 2
For the total cost, c, to be the same at the pizza places, Equation 1 must equate Equation 2:
That is, C = C.
Substituting the values of C:
11.50 + 0.9n = 13.25 + 0.55n
0.35n = 1.75
n = 5
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which graph type is best suited for graphing the proportion of green eyes to brown-eyed or blue-eyed students in the class?
A pie chart or a bar graph is best suited for graphing the proportion of green eyes to brown-eyed or blue-eyed students in the class.
What is pie chart?A pie chart is a circular graph that displays data as a set of slices, each representing a proportion of the whole.
A pie chart would show the percentage or fraction of each eye color in relation to the whole, while a bar graph would compare the number of students with each eye color side by side.
Both types of graphs are useful for displaying proportions and comparing different categories.
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Suppose a researcher is testing the hypothesis : p versus : p and she finds the P-value to be . Explain what this means. Would she reject the null hypothesis? Why?
Choose the correct explanation below.
A.
If the P-value for a particular test statistic is , she expects results no more extreme than the test statistic in exactly of 100 samples if the null hypothesis is true.
B.
If the P-value for a particular test statistic is , she expects results at least as extreme as the test statistic in about of 100 samples if the null hypothesis is true.
C.
If the P-value for a particular test statistic is , she expects results at least as extreme as the test statistic in exactly of 100 samples if the null hypothesis is true.
D.
If the P-value for a particular test statistic is , she expects results no more extreme than the test statistic in about of 100 samples if the null hypothesis is true.
Part 2
Choose the correct conclusion below.
A.
Since this event is unusual, she will reject the null hypothesis.
B.
Since this event is not unusual, she will not reject the null hypothesis.
C.
Since this event is unusual, she will not reject the null hypothesis.
D.
Since this event is not unusual, she will reject the null hypothesis.
We don't know if she will reject the null hypothesis without knowing the level of significance. But if the p-value is smaller than the level of significance, she would reject the null hypothesis
Why would the researcher reject the null hypothesisThe correct explanation for the P-value is option B: "If the P-value for a particular test statistic is , she expects results at least as extreme as the test statistic in about of 100 samples if the null hypothesis is true."
This means that if the null hypothesis is true, there is a certain probability (represented by the P-value) that we would observe a test statistic as extreme or more extreme than the one we observed in our sample.
As for the conclusion, we cannot determine whether or not the researcher would reject the null hypothesis based solely on the P-value. The decision to reject or not reject the null hypothesis depends on the level of significance (alpha) chosen by the researcher. If the P-value is smaller than the chosen alpha, then the researcher would reject the null hypothesis.
Otherwise, she would fail to reject it. Without knowing the level of significance chosen, we cannot determine the conclusion.
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Q 3. 9: Two journalists, Judy and Mark, sample n=100n=100 people many times asking each bypasser about the rating of the mayor. Judy takes many random samples of 100 people in the whole city, while Mark takes many samples of 100 people by asking bypassers in the central street. The sampling distributions generated by Mark and Judy are different. Which set of the sample means is not representative of the population of the city? What conclusion can be done?
The set of sample means generated by Mark may not be representative of the population of the city.
This is because Mark's sampling method is not random and may introduce bias into the sample. By only surveying bypassers in the central street, the sample may not be representative of the whole population of the city. On the other hand, Judy's random sampling method has a higher chance of capturing a representative sample of the population.
To confirm this, we can compare the sampling distributions generated by both methods. We can calculate the mean and standard deviation of the sample means for each method and compare them. If the means and standard deviations are significantly different, it may suggest that Mark's sampling method is biased.
To calculate the standard deviation of the sampling distribution, we can use the formula:
Standard deviation = population standard deviation / sqrt(sample size)Since the population standard deviation is not given, we can use the sample standard deviation as an estimate. Assuming the sample standard deviation is 2, we can calculate the standard deviation of the sampling distribution as follows:
For Judy's method:
Standard deviation = 2 / sqrt(100) = 0.2For Mark's method:
Assuming that the central street has a population size of 1000, we can calculate the standard deviation as:
Standard deviation = 2 / sqrt(100) * sqrt(1000/100) = 0.632The standard deviation of Mark's sampling distribution is much larger than Judy's, indicating that Mark's sampling method may not be representative of the whole population of the city.
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Robert recorded the number of minutes he studied each week for 7 weeks. His data are shown 215,219,165,220,310,238,250
Robert kept track of his study time over the course of seven weeks, and we've mean is [tex]226.43[/tex] minutes, the median is [tex]220[/tex] minutes, the range is [tex]145[/tex]minutes, as well as the standard deviation was [tex]41.98[/tex] minutes.
What can you infer from standard deviation?The extent of data deviation is measured either by standard error. It measures how distant each data point is from the mean. Around 95% of values in any distribution will be within two of the mean's standard deviation.
How may standard deviation be used?First, determine the mean. Step 2: Determine the square of the variation from the mean of each piece of data. Add the values of Step 2 in Step 3. Divide by the total amount of information collected in step 4.
Mean (average):
[tex]Mean = (215 + 219 + 165 + 220 + 310 + 238 + 250) / 7 = 226.43[/tex]
So the average amount of time Robert studied per week is approximately [tex]226.43[/tex] minutes.
Median:
[tex]165, 215, 219, 220, 238, 250, 310[/tex]
The median is the middle value, which is [tex]220[/tex].
Mode:
In this case, there is [tex]0[/tex] value that appears more than once, so there is no mode.
Range:
Range [tex]=[/tex] largest value [tex]-[/tex]smallest value[tex]= 310 - 165 = 145[/tex]
So the range of Robert's study time data is [tex]145[/tex] minutes.
Standard deviation:
Using a calculator or spreadsheet program, we can find the standard deviation to be approximately [tex]41.98[/tex] minutes.
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Assignment #1 (22PS) 1.9 Practice - Age Problems 1.
A boy is 10 years older than his brother. In 4 years he will be twice as old an his brother. Find the present age of each. 2. A father is 4 times as old as his son. In 20 years the father will be twice as as his son. Find the present age of each.
Hence, in answering the stated question, we may say that As a result, the equation son's current age is x = 10, while the father's current age is 4x = 40.
What is equation?A math equation is a process that relates two statements by using the equals sign (=) to indicate equivalence. In algebra, an equation is a mathematical statement that proves the equality of two mathematical expressions. In the equation 3x + 5 = 14, for example, the equal sign separates the numbers 3x + 5 and 14. A mathematical formula can be used to understand the link between the two sentences written on opposite sides of a letter. Frequently, the logo and the software are the same. For example, 2x - 4 = 2.
[tex]x + 14 = 2(x + 4)\\x + 14 = 2x + 8\sx = 6[/tex]
As a result, the brother's current age is x = 6, while the boy's current age is x + 10 = 16.
If x is the age of the son, then the father's age is 4x. In 20 years, the son will be x + 20 years old, while the father will be 4x + 20 years old. Because the father will be double his son's age in 20 years:
[tex]4x + 20 = 2(x + 20)[/tex]
Expansion and simplification:
[tex]4x + 20 = 2x + 40\\2x = 20\sx = 10[/tex]
As a result, the son's current age is x = 10, while the father's current age is 4x = 40.
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The lateral surface area of a hollow cylinder is 4224 sq. Cm. It is cut along its height and formed a rectangular sheet of width 33 cm. Find the perimeter of the rectangular sheet
The perimeter of the rectangular sheet is approximately 42.010 cm.
Let's assume the height of the hollow cylinder to be "h", the inner radius to be "r1", and the outer radius to be "r2".
The lateral surface area of the hollow cylinder is given by:
Lateral surface area = 2πrh
We are given that the lateral surface area is 4224 sq. cm, so we can write:
4224 = 2πrh
We also know that the width of the rectangular sheet is 33 cm, which is the same as the circumference of the hollow cylinder. Therefore, we can write:
2πr2 = 33
Solving for r2, we get:
r2 = 33/(2π)
Now, we can use the Pythagorean theorem to find the height of the hollow cylinder:
h^2 = r2^2 - r1^2
We don't know r1, but we can express it in terms of r2 using the fact that the thickness of the hollow cylinder is constant:
r2 - r1 = 33/2π
r1 = r2 - 33/2π
Substituting this expression for r1 in the equation for h, we get:
h^2 = r2^2 - (r2 - 33/2π)^2
Simplifying, we get:
h^2 = 1089/(4π^2)
h = 33/(2π)
Now that we know the values of h and r2, we can find the perimeter of the rectangular sheet:
Perimeter = 2h + 2r2
Perimeter = 2(33/(2π)) + 2(33/(2π))
Perimeter = 66/π + 66/π
Perimeter = 132/π
Using a calculator, we can approximate this value to three decimal places:
Perimeter ≈ 42.010 centimeter
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En la figura adjunta, ABC es un cuadrado, AC es diagonal y mide 10 cm. ¿ Cual es el perímetro del cuadrado. A) 20 cm. B) 40 cm. C) (10+10 raíz cuadrada seria 2) cm. D) (5+10 raíz cuadrada seria 2) cm. E) (10+5 raíz cuadrada seria 2) cm
Option E would be (10+5 square root would be 2) cm, which is also incorrect as it does not represent the correct perimeter of the square.
In the figure attached, ABC is a square, AC is diagonal and measures 10 cm. What is the perimeter of the square? A) 20 cm. B) 40 cm. C) (10+10 square root would be 2) cm. D) (5+10 square root would be 2) cm. E) (10+5 square root would be 2) cm.The perimeter of a square is equal to the sum of all four sides. Since ABC is a square, the sides are equal in length. Since AC is the diagonal of the square, it is equal to the length of the two consecutive sides. Therefore, the length of each side AB and BC is equal to 10 cm. Therefore, the perimeter of the square ABC is 20 cm (10 cm x 2). This is option A, 20 cm. The other options are not correct as they do not represent the correct perimeter of the square. Option C would be (10+10 square root would be 2) cm, which is incorrect as it does not represent the correct perimeter of the square. Option D would be (5+10 square root would be 2) cm, which is also incorrect as it does not represent the correct perimeter of the square. Lastly, Option E would be (10+5 square root would be 2) cm, which is also incorrect as it does not represent the correct perimeter of the square.
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I NEED HELP ON THIS QUICKLYY WILL GIVE BRAINLIESTTT PLEASE HELP!!!
Answer:
(1)
Let x represent the number of HD Big View TV models produced
let y represent the number of MegaTeleBox models produced
(2)
2x + 3y ≤ 192 manpower constraint
x + y = 72 production capacity constraint
x ≥ 0 Non-negativity constraint
y ≥ 0 Non-negativity constraint
(3)
See attached graph
Step-by-step explanation:
(1)
Let x represent the number of HD Big View TV models produced
let y represent the number of MegaTeleBox models produced
(2)
Constraints
There are a total of 192 person hours per day to manufacture both models so this is the upper limit on the person-hours resource
Each unit of HD Big View takes 2 person-hours so x units will require 2x person-hours
Each unit of MegaTeleBox takes 3 person-hours so y units will require 3y person-hours
Total person-hours to produce x and y units
= 2x + 3y
and this cannot exceed 192.
Therefore the first inequality is manpower resource constraint:
2x + 3y ≤ 192 [1]
Total manufacturing capacity is 72 units. The actual total production is
x + y and this cannot exceed 72
Second inequality is
x + y = 72 [2]
In addition the number of units produced cannot be less than zero. These are the non-negativity constraints:
x ≥ 0, y ≥ 0 [3]
Plugging in all these constraints we get the following system of inequalities
2x + 3y ≤ 192 [1] manpower constraint
x + y = 72 [2] production capacity constraint
x ≥ 0 Non-negativity constraint
y ≥ 0 Non-negativity constraint
(3) See attached graph for this part of the question
The dark shaded region shows the solution set
To show that the company cannot make a negative number of television sets we only consider values on the positive x and y axes
the illinois student senate wants to know the mean amount of money spent by illinois students for textbooks this semester. suppose the population mean based on past data over the past few years is $450 and the population standard deviation is $40. a random sample of 625 students is taken. (a) what is the probability that the sample mean will be less than $453? (b) what is the probability that the sample mean will be within $3 of $450? that is, what is the probability that the sample mean will be between $447 and $453? (c) what is the probability that the sample mean will be within $10 of $450? that is, what is the probability that the sample mean will be between $440 and $460?
The sampIe mean has a 0.9992 chance of being Iess than $453.
What is standard deviatiοn?A measure οf a grοup οf vaIues' variance οr dispersiοn in statistics is caIIed the standard deviatiοn. When the standard deviatiοn is Iοw, the vaIues are mοre IikeIy tο faII within a narrοw range, aIsο knοwn as the expected vaIue, whereas when the standard deviatiοn is high, the vaIues tend tο be cIοser tο the mean.
The sampIing distributiοn οf the sampIe mean is apprοximateIy nοrmaI with mean μ = $450 and standard deviatiοn [tex]\sigma/ \sqrt{(n)} = \$40/\sqrt{(625)} = \$1.6[/tex].
(a) Tο find the prοbabiIity that the sampIe mean wiII be Iess than $453, we standardize the sampIe mean:
[tex]z = (x - \mu) / (\sigma / \sqrt{(n)}) = (453 - 450) / (40 / \sqrt{(625)}) = 3.125[/tex]
Using a standard nοrmaI tabIe, we find that the prοbabiIity οf getting a z-scοre οf 3.125 οr Iess is 0.9992.
Therefοre, the prοbabiIity that the sampIe mean wiII be Iess than $453 is 0.9992.
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9.
Deerhaven had a population of 42,000 in 1960 and a population of 58,000 in
1990. Based on this data, the city planner developed an exponential model to
predict the city's population in 2013. As it turns out, the city had a population of
75,000 in 2013. Which of these is the best description of how close the prediction
was to the actual population in 2013?
A Within 100 people
B Within 1,000 people
C Within 10,000 people
D Within 100,000 people
Hi
The best description of how close the prediction was to the actual population in 2013 is option (A) with in 100 people
To solve this problem, we can use the exponential growth formula:
P(t) = P0 × e^(rt)
where P(t) is the population at time t, P0 is the initial population, r is the growth rate, and e is the mathematical constant approximately equal to 2.718.
We can use the given data to find the growth rate r:
58,000 = 42,000 × e^(r×30)
Dividing both sides by 42,000:
e^(r×30) = 58,000/42,000 = 1.38
Taking the natural logarithm of both sides:
r×30 = ln(1.38)
r = ln(1.38)/30
r ≈ 0.0106
Now we can use this growth rate to predict the population in 2013:
P(53) = 42,000 × e^(0.0106×53) ≈ 74,480
So the predicted population of 74,480 is within 520 people of the actual population of 75,000
Therefore, the correct option is (A) Within 100 people.
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What is the surface area of this cone?
Answer:
113.10 square inches
Step-by-step explanation:
Base shape = Circle
r = radius of Base shape
= 3 in
l = slanted height
= 9 in
Surface Area of cone = [tex]\pi r^{2} + \pi rl[/tex]
= [tex][\pi (3)^{2} + \pi (3) (9)] in^{2}[/tex]
= [tex][9\pi + 27\pi] in^{2}[/tex]
= [tex]36\pi[/tex] square inches
= 113.10 square inches (Rounded to the nearest hundredth place)
Given:-
[tex] \sf \: Radius = \bold3in[/tex][tex] \: [/tex]
[tex] \sf \: Height = \bold 9in[/tex][tex] \: [/tex]
[tex] \sf \: pi ( π ) = \bold{ 3.14}[/tex][tex] \: [/tex]
To find:-
[tex] \textsf {\:Surface area of cone = ? \: }[/tex][tex] \: [/tex]
By using formula:-
[tex]{ \star{ \boxed{ \textsf{ \purple{Surface area of cone = πr² + πrs}}}}}[/tex]
[tex] \: [/tex]
Solution:-
[tex] \textsf{ \: SA = πr² + πrs \: }[/tex][tex] \: [/tex]
[tex] \textsf{ \: SA = 3.14 ( 3 )² + 3.14×3×9 \: }[/tex][tex] \: [/tex]
[tex] \textsf{ \: SA = 3.14 × 9 + 3.14 × 27 \: }[/tex][tex] \: [/tex]
[tex] \textsf{ \: SA = 28.26 + 84.78 \: }[/tex][tex] \: [/tex]
[tex] \underline{\boxed{ \textsf{ \red{SA =113.04}}}}[/tex][tex] \: [/tex]
━━━━━━━━━━━━━━━━━━━━━━━
hope it helps! :)
please help if you can
Answer:
[tex]s=170\frac{\sqrt{m} }{q}[/tex]
Step-by-step explanation:
since varies directly with square root of m and inversely with q ( [tex]\sqrt{m}[/tex] goes in the numerator and [tex]q[/tex] in the denominator)
[tex]s=a\frac{\sqrt{m} }{q}[/tex]
notice a is a constant, we need to find it!
since s=340 when m=36 and q=3
[tex]340=a\frac{\sqrt{36} }{3}=a\frac{6}{3} =2a[/tex]
[tex]a=340/2=170[/tex]
so equation is:
[tex]s=170\frac{\sqrt{m} }{q}[/tex]
Find the quotient and remainder if \( f(x) \) is divided by \( p(x) \). \[ f(x)=3 x^{4}+2 x^{3}-x^{2}-x-6 ; \quad p(x)=x^{2}+1 \] quotient \( \quad 3 x^{4}+2 x^{3}-x^{2}-x-6 \) remainder
To find the quotient and remainder if
�
(
�
)
f(x) is divided by
�
(
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)
p(x), first, we need to divide the polynomials. Division of polynomials can be done by long division method. So, let's solve the problem and find the quotient and remainder of the polynomial.
In long division, first, we divide the first term of dividend by the first term of divisor.
3x^4/x^2 = 3x^2
Now we multiply this result (3x^2) with divisor and subtract from dividend.
3x^4 + 2x^3 - x^2 - x - 6 - (3x^2(x^2 + 1))= -3x^3 - x - 6
Next, we bring down the next term of the dividend. And repeat the process until we cannot divide further.
-3x^3/x^2 = -3x
Now, we multiply this result (-3x) with divisor and subtract from the last dividend.
-3x^3 - x - 6 - (-3x(x^2 + 1))= 3x^2 - x - 6
Now, we again bring down the next term of the dividend.
3x^2/x^2 = 3
Next, we multiply this result (3) with divisor and subtract from the last dividend.
3x^2 - x - 6 - (3(x^2 + 1))= -x - 9
-x/x^2 = -
Now, we multiply this result (-1) with divisor and subtract from the last dividend.
-x - 9 - (-1(x^2 + 1))= -x - 10
So, the quotient and remainder if
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f(x) is divided by
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p(x) are:
quotient = 3x^2 - 3
remainder = -x - 10
QUAD is not relevant to this question.
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Write the number in the log as a power of the base, then find y in each equation
y=log3 243
y = loga 1
y = log2 1/64
The number in the log as a power of the base y = -6.
What is logarithmic identity ?
Logarithmic identities are mathematical formulas or rules that are used to manipulate logarithmic expressions. These identities are derived from the properties of logarithms and can be used to simplify or solve logarithmic equations.
The following are some commonly used logarithmic identities:
Product rule: log_a (x * y) = log_a (x) + log_a (y)
This identity states that the logarithm of the product of two numbers is equal to the sum of the logarithms of the individual numbers.
Quotient rule: log_a (x / y) = log_a (x) - log_a (y)
This identity states that the logarithm of the quotient of two numbers is equal to the difference of the logarithms of the individual numbers.
According to the question:
To write the number in the log as a power of the base, we can use the following logarithmic identity:
log_a (x) = y is equivalent to[tex]a^y = x[/tex]
Using this identity, we can rewrite the logarithmic expressions as follows:
y = log3 243 can be written as [tex]3^y = 243[/tex]
y = log2 1/64 can be written as [tex]2^y = 1/64[/tex]
Now, we can solve for y by taking the appropriate power of both sides of each equation:
For the first equation, we can write:
[tex]3^y = 243[/tex]
[tex]3^y = 3^5 (since 243 = 3^5)[/tex]
Therefore, y = 5.
For the second equation, we can write:
[tex]a^y = 1[/tex]
Since any non-zero number raised to the power of 0 is equal to 1, we have:
[tex]a^y = a^0[/tex]
Therefore, y = 0.
For the third equation, we can write:
[tex]2^y = 1/64[/tex]
[tex]2^y = 2^-6 (since 1/64 = 2^-6)[/tex]
Therefore, y = -6.
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What is the phase shift of a periodic function?
a horizontal translation of the function
the horizontal length of one cycle of the function
the number of cycles of the function that occur in one horizontal unit
a vertical translation of the function
A function assigns values. The phase shift of a periodic function is the horizontal translation of the function.
What is a Function?A function assigns the value of each element of one set to the other specific element of another set.
The Phase Shift of a periodic function is the horizontal shift of the function from its normal position. The shift is either left or right.
For example, if the value of c in the function of sine is negative then the function will move towards the right side by the value of c, while if the value of c is positive then the function will towards the left.
Thus, the phase shift of a periodic function is the horizontal translation of the function.
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HELPPP!! Test
The ice cream above is going to melt.
When it does, will it fit in the cone or
will it overflow?
Explain.
The spherical ice cream scoop and the
right cone have a radius of 3 cm.
The height of the cone is 5 cm.
Show all your work. !!!
Step-by-step explanation:
To determine whether the ice cream scoop will fit in the cone or overflow, we need to compare the volume of the scoop to the volume of the cone. If the volume of the scoop is less than or equal to the volume of the cone, the scoop will fit in the cone. If the volume of the scoop is greater than the volume of the cone, the scoop will overflow.
The formula for the volume of a sphere is:
V_sphere = (4/3)πr³
where r is the radius of the sphere. In this case, the radius of the ice cream scoop is 3 cm, so:
V_sphere = (4/3)π(3 cm)³ ≈ 113.1 cm³
The formula for the volume of a cone is:
V_cone = (1/3)πr²h
where r is the radius of the base of the cone and h is the height of the cone. In this case, the radius of the cone is also 3 cm and the height of the cone is 5 cm, so:
V_cone = (1/3)π(3 cm)²(5 cm) ≈ 47.1 cm³
Therefore, the volume of the ice cream scoop is greater than the volume of the cone, and the ice cream will overflow when it melts.
To explain this result, we can note that the volume of the ice cream scoop is determined by its shape and size, which cannot be changed. However, the volume of the cone is determined by both its shape and size, as well as the amount of space available inside it. When the ice cream melts, it will fill up the cone and displace the air inside, increasing the volume of the cone. However, the volume of the ice cream scoop will not change, so it will overflow the cone.
Which probabilities do you need in order to
calculate P(getting A on 2 or fewer spins)?
-P(0 successes)
-P(1 success)
-P(2 successes)
-P(3 successes)
-P(4 successes)
-P(5 successes)
Answer: A,B, C
part B:
P(getting A on 2 or fewer spins)= Answer: 0. 79
Probability of getting A on 2 or fewer spins is 0.79 using sum of probabilities we individually find.
We must add the odds of receiving A on 0 spins, 1 spin, and 2 spins in order to determine the likelihood of getting A in 2 spins or less.
Probability of not receiving A on the first spin is equal to 0.6 P (getting A on 0 spins) (getting A on 1 spin) Probability of receiving A on the first spin and not receiving A on the second spin, or of receiving A on the second spin and not receiving A on the first spin, is equal to 0.40.6 + 0.60.4 = 0.48.
P(getting A on 2 spins) is the likelihood that A will appear on both the first and second spins, or that A will appear on the second spin even if A did not appear on the first spin, and vice versa. = 0.40.4 + 0.60.40.42 = 0.108
P (receiving A on two or fewer spins) is therefore equal to P (getting A on zero spins), P (getting A on one spin), and P (getting A on two spins). These values are 0.6, 0.48, and 0.108, which add up to 0.788, or roughly 0.79.
Therefore 0.79 is the solution to part B.
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add the difference of 10 and 2 to j
Therefore , the solution of the given problem of expression comes out to be the response is j + 8.
What does an expression precisely mean?Calculations like variable multiplication, splitting, joining, and presently removing are required. Combining them would result in the following: An equation, some statistics, and a mathematical formula. A declaration of truth is composed of values, components, mathematical processes like additions, subtractions, errors, and subdivisions as well as arithmetic formulas. Words and phrases can be evaluated and analysed.
Here,
We must first determine the difference between 10 and 2, which is: before we can add the distinction of 10 and 2 to j.
=> 10 - 2 = 8
Now, by writing only the expression: we can add 8 to j.
=> j + 8
Consequently, the response is j Plus 8.
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Find the surface area of the prism.
5m
4 m
m²
6 m
5m
7 m
Answer:
160m².
Step-by-step explanation:
In this case, the prism has two identical rectangular faces with dimensions of 5m by 4m, and four identical rectangular faces with dimensions of 5m by 6m.
Therefore, the surface area of the prism can be calculated as follows:
Surface Area = 2(5m x 4m) + 4(5m x 6m)
Surface Area = 40m² + 120m²
Surface Area = 160m²
So the surface area of the prism is 160m².
Vince is twice is sister's age who is 8 years old their mother's age is twice the sum of their ages. How old is their mother?
Vince is 16 years old, his sister is 8 years old, and their mother is 48 years old, where Vince is twice his sister's age and their mother is twice the sum of their ages.
Let's start by assigning variables to the unknown ages. Let V be Vince's age, S be his sister's age, and M be their mother's age. Then we can set up three equations based on the given information:
V = 2S (Vince is twice his sister's age)
S = 8 (His sister is 8 years old)
M = 2(V + S) (Their mother's age is twice the sum of their ages)
Using equation 1 and substituting S = 8, we can solve for Vince's age:
V = 2S
V = 2(8)
V = 16
So Vince is 16 years old.
Using equation 3 and substituting V = 16 and S = 8, we can solve for their mother's age:
M = 2(V + S)
M = 2(16 + 8)
M = 2(24)
M = 48
So their mother is 48 years old.
Therefore, Vince is 16 years old, his sister is 8 years old, and their mother is 48 years old.
To summarize:
Vince is twice his sister's age, and his sister is 8 years old.
Using this information, we can calculate that Vince is 16 years old.
Their mother's age is twice the sum of their ages, so using Vince and his sister's ages, we can calculate that their mother is 48 years old.
Therefore, Vince is 16 years old, his sister is 8 years old, and their mother is 48 years old.
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It takes an older pump 5 times as long to drain a certain pool as it does a newer pump. Working together, it takes the two pumps 3 hours to drain the
long will it take the newer pump to drain the pool working alone?
Do not do any rounding.
It would take the newer pump 36 minutes to drain the pool working alone.
To solve this problemLet's call the time it takes the newer pump to drain the pool "t". Then, we know that the older pump takes 5t to drain the pool.
If they work together, their combined rate is the sum of their individual rates. Let's call the rate of the newer pump "r" (in units of pool drained per hour). Then, the rate of the older pump is 1/5 of that, or r/5. Together, their rate is:
r + (r/5) = (6/3) = 2
We can simplify this equation by multiplying both sides by 5:
5r + r = 10
Simplifying, we get:
6r = 10
Dividing both sides by 6, we get:
r = 10/6 = 5/3
So the rate of the newer pump is 5/3 of the pool drained per hour.
To find the time it takes the newer pump to drain the pool, we can use the formula:
rate = work / time
Where "work" is the amount of pool drained (which we can assume is 1, since we're talking about draining the entire pool).
So we can write:
5/3 = 1 / t
Multiplying both sides by t, we get:
5t / 3 = 1
Multiplying both sides by 3/5, we get:
t = 3/5 hours, or 36 minutes
Therefore, it would take the newer pump 36 minutes to drain the pool working alone.
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A circle in the xy-plane has the equation (x+17.5)^(2)+(y-15.bar (3))^(2)=18.1. Which
Cοmparing the given equatiοn with the standard form, we can see that the center is at [tex]$(-17.5, 15.\bar{3})$[/tex], and the radius is [tex]$\sqrt{18.1}$[/tex].
What is the standard form of the equation of a circle?The standard form of the equatiοn of a circle is:
[tex]$$(x - h)^2 + (y - k)^2 = r^2$$[/tex]
where (h, k) is the center of the circle and r is the radius. This form of the equation is useful because it prοvides information about the center and radius οf the circle in a straightforward way. To use the standard form to graph a circle, we can plοt the center (h, k) on the coordinate plane and then draw a circle with radius r centered at (h, k).
To find the center and radius of the circle with equatiοn [tex]$(x+17.5)^2 + (y - 15.\bar{3})^2 = 18.1$[/tex], we can use the standard fοrm of the equation of a circle:
[tex]$$(x - h)^2 + (y - k)^2 = r^2$$[/tex]
where (h, k) is the center οf the circle and r is the radius.
Comparing the given equatiοn with the standard form, we can see that the center is at [tex]$(-17.5, 15.\bar{3})$[/tex], and the radius is [tex]$\sqrt{18.1}$[/tex]. Therefοre, we can write:
Center [tex]$= \left(-17.5, 15.\bar{3}\right)$[/tex]
Radius[tex]$= \sqrt{18.1}$[/tex]
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A circle in the xy-plane has the equation (x+17.5)²+(y-15(3))² = 18.1. Which of the following pairs is its center and radius.
a. (17, 15.3) and √18
b. (19, 14) and √9
c. (17, 15.3) and 9
d. (19, 14) and 18