Answer: $561.63
Step-by-step explanation: To find the distance you subtract 500 by -61.63
You get the equation 500--61.63
The two negative signs cancel out to become a positive sign
So the new equation is 500+61.63
So the distance is $561.63
Answer:
$561.63
Step-by-step explanation:
To find out the distance between 500 and -61.63 it will be $500-$-61.63. So 500 - (-61.63) becomes 500 + 61.63 because 2 negatives in a row make a positive. So when you do 500+61.63, you'll get 561.63.
total population = 8,000,000
civilian labor force = 4,000,000
number of unemployed individuals who are actively seeking jobs = 400,000
number of unemployed individuals who are not seeking work 100,000.
This information indicates that country y's unemployment rate equals.
The given information indicates that country y's unemployment rate equals 10 %.
How to find the unemployment ?The formula to calculate the unemployment rate is:
Unemployment Rate = ( Number of Unemployed Individuals / Civilian Labor Force ) × 100
In this case, the number of unemployed individuals actively seeking jobs is 400,000, and the civilian labor force is 4,000,000.
Unemployment Rate = ( 400, 000 / 4, 000, 000) × 100
Simplifying the calculation :
= 0. 1 x 100
= 10 %
In conclusion, the unemployment rate in Country Y is 10%.
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100 Points! Geometry question. Photo attached. Please show as much work as possible. Thank you!
Answer:
[tex]x^2+2y=1[/tex]
Step-by-step explanation:
The equation of a parabola with a vertical axis of symmetry,
focus (h, k+p), and directrix x=h-p is given by:
[tex](x - h)^2 = 4p(y - k)[/tex]
In this case, the focus is (0, 1) and the directrix is x =3.
Comparing this to the general equation,
we have
h = 0, k = 1, and x = h - p = 3.
From x = h - p, we can solve for p:
3 = 0 - p
p = -3
Substituting the values of h, k, and p into the equation, we get:
[tex](x - 0)^2 = 4(-3)(y - 1)[/tex]
Simplifying further:
[tex]x^2 = -12(y - 1)[/tex]
[tex]x^2=-12y+1[/tex]
[tex]x^2+12y=1[/tex]
Therefore, the parabola equation is [tex]x^2+2y=1[/tex]
Johnson Industries purchased a metal-working lathe for $38,000. This item will be used for business 90% of the time. Accountants elected to take a $18,000 section 179 deduction and utilize the special depreciation allowance of 50%.
Prepare a depreciation schedule (in $) using MACRS.
Round all dollar amounts to the nearest cent.
The depreciation schedule (in dollars) using MACRS for the metal-working lathe is as follows:
Year 1: $1,429.00
Year 2: $2,449.00
Year 3: $1,749.00
Year 4: $1,249.00
Year 5: $893.00
Year 6: $892.00
Year 7: $893.00
What is the MACRS depreciation schedule?The depreciation schedule using the Modified Accelerated Cost Recovery System (MACRS) is prepared as follows:
Given data:
Purchase cost of the metal-working lathe: $38,000
Business use percentage: 90%
Section 179 deduction: $18,000
Special depreciation allowance: 50%
Depreciable basis = Purchase cost - Section 179 deduction
Depreciable basis = $38,000 - $18,000 = $20,000
Special depreciation allowance = $20,000 * 50%
Special depreciation allowance = $10,000
Adjusted depreciable basis = $20,000 - $10,000
Adjusted depreciable basis = $10,000
The recovery period for a metal-working lathe is 7 years.
Using MACRS, the depreciation rates for a 7-year recovery period are as follows:
Year 1: 14.29%
Year 2: 24.49%
Year 3: 17.49%
Year 4: 12.49%
Year 5: 8.93%
Year 6: 8.92%
Year 7: 8.93%
Annual depreciation expense = Adjusted depreciable basis * Depreciation rateYear 1:
Depreciation expense = $10,000 * 14.29% = $1,429.00
Year 2:
Depreciation expense = $10,000 * 24.49% = $2,449.00
Year 3:
Depreciation expense = $10,000 * 17.49% = $1,749.00
Year 4:
Depreciation expense = $10,000 * 12.49% = $1,249.00
Year 5:
Depreciation expense = $10,000 * 8.93% = $893.00
Year 6:
Depreciation expense = $10,000 * 8.92% = $892.00
Year 7:
Depreciation expense = $10,000 * 8.93% = $893.00
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line p is parallel to line q and both these lines are intersected by transversal t show workkkkkk
The value of x is equal to 10 degrees.
What is the Alternate Interior Angles Theorem?In Mathematics and Geometry, the Alternate Interior Angles Theorem states that when two (2) parallel lines are cut through by a transversal, the alternate interior angles that are formed are congruent:
By applying the alternate interior angles theorem to parallel lines p and q, we have the following congruent angles:
(5x - 65) = (x - 25)
5x - x = 65 - 25
4x = 40
x = 40/4
x = 10 degrees.
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There are thirteen boys and fifteen girls in a class. The teacher randomly selects one student to answer a question. Later, the teacher selects a different student to answer another question. What is the probability that the first student is a boy and the second a girl? Explain.
Step-by-step explanation:
To solve this problem, we need to calculate the probability of the first student being a boy and the second student being a girl.
There are a total of 13 boys and 15 girls in the class, making a total of 28 students.
The probability of the first student being a boy is given by:
P(boy) = Number of boys / Total number of students = 13 / 28
After the first student is selected, there are now 27 students remaining (since one student has already been selected). Out of these 27 students, there are still 15 girls remaining.
The probability of the second student being a girl, given that the first student was a boy, is given by:
P(girl|boy) = Number of girls / Remaining number of students = 15 / 27
To find the probability of both events occurring (the first student being a boy and the second student being a girl), we multiply the individual probabilities:
P(boy and girl) = P(boy) * P(girl|boy) = (13/28) * (15/27)
Calculating this expression:
P(boy and girl) ≈ 0.2041
Therefore, the probability that the first student is a boy and the second student is a girl is approximately 0.2041 or 20.41%.
50 Points! Multiple choice algebra question. Photo attached. Thank you!
Answer:
250πcm³
Step-by-step explanation:
Length of bigger = k X length of smaller (k is a constant)
Area of bigger = k² X area of smaller (k is a constant)
Volume of bigger = k³ X volume of smaller (k is a constant)
ratio of 3:5 means that there are 3 + 5 = 8 parts.
Length of bigger = k X length of smaller
5 = 3k
k = 5/3.
Volume of bigger = k³ X volume of smaller
= (5/3)³ 54π
= 250πcm³
Please actually help me I really need it
Area of shape 1:
Area of triangle = 1/2 × b × h
Area of triangle = 1/2 × 6 × 8
Area of triangle = 24 cm²
Area of shape 2:
Area of Semicircle = πr²/2
Radius of Semicircle = Diameter / 2
Radius of Semicircle = 3 cm
Then,
Area of semicircle = π(3)²
Area of semicircle = 9π cm²
Total Area = Area of semicircle + Area of triangle
Total Area = (24 + 9π) cm²
Total Area = 52.27 cm² .
Hence Total area of the figure combining triangle and semicircle is 52.27 cm².
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Question Number 7 of 10 - 8th Grade Math
Which graph shows only a translation?
The graph that shows only a translation is (c)
How to determine the graph that shows only a translation?From the question, we have the following parameters that can be used in our computation:
The list of options
The general rule of translation it that
The image and the preimage have the same orientationThe image and the preimage have the same side lengthsThe image and the preimage have the same angle measuresUsing the above as a guide, we have the following:
the graph that shows only a translation is (c)
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k
9. The table shows the results from a study in which some patients were treated with a new
medical drug for sleeping disorders and others received a common sleeping pill. Use a 0.05
significance level to find the critical value needed to test for independence between the type of
sleeping pill and the presence of any adverse health condition.
Adverse health
condition reported
No adverse health
condition reported
00.004
03.841
00.751
0.100.
New Sleeping Pill Common Sleeping Pill
135
132
145
122
(1 point)
The critical value of the chi-squared statistic with a significance level of 0.05 is 3.84. Therefore, the correct answer is option B.
The null hypothesis in this case would be that there is independence between the type of sleeping pill and the presence of any adverse health condition.
The critical value needed to test for this is the chi-squared statistic with a significance level of 0.05.
To calculate the critical value, we first need to calculate the degrees of freedom, which is calculated by (rows-1) * (columns-1). In this case, the degrees of freedom is (2-1)*(2-1) = 1.
The critical value of the chi-squared statistic with a significance level of 0.05 is 3.84. This means that if the calculated chi-squared statistic is greater than 3.84, then we can reject the null hypothesis and claim that there is a significant relationship between the type of sleeping pill and the presence of any adverse health condition.
Therefore, the critical value of the chi-squared statistic with a significance level of 0.05 is 3.84. Therefore, the correct answer is option B.
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Solve 5(2x – 3) = x – 15 + 9x for x. Question 7 options: A) Infinitely many solutions B) –18∕5 C) 0 D) –12∕5
Step-by-step explanation:
5(2x – 3) = x – 15 + 9x
10x - 15 = x - 15 + 9x
10x - 9x - x = -15 + 15
0 = 0
Answer = A) Infinity many solutions
How do -3.8 and -4 1/2 compare
Answer:
-3.8 > -4.5
Step-by-step explanation:
Convert the fraction to decimal and then compare.
[tex]\sf -4\dfrac{1}{2}=\dfrac{-9}{2}[/tex]
= -4.5
Now compare (-3.8) & (-4.5)
-3.8 > -4.5
100 Points! Geometry question. Photo attached. Please show as much work as possible. Thank you!
Answer: is X = 5 within the diagram.
Graph the line with y-intercept 4 and slope 2.
Answer is in the file atttached.
Help me pls….. I’m confused on this!!!!!
A truck is being filled with cube-shaped packages that have side lengths of foot, the volume of the part of the truck that is being filled is 34,808 cubic feet.
To discover the finest range of applications that may in shape in the truck, we want to calculate the volume of the truck and divide it by using the quantity of every cube-formed bundle.
The quantity of the truck is given with the aid of the method:
Volume = Length x Width x Height
Volume = 8 ft x 61 ft x 71 ft
Volume = 34,808 cubic toes
The volume of every cube-shaped bundle is given with the aid of the method:
Volume = Side [tex]Length^3[/tex]
Volume = 1 [tex]ft^3[/tex]
Number of packages = Volume of truck / Volume of each package
Number of packages = 34,808 ft^3 / 1 ft^3
Number of packages = 34,808
Thus, the greatest number of packages that can fit in the truck is 34,808.
Volume of the part of the truck being filled = Number of packages x Volume of each package
Volume of the part of the truck being filled = 34,808 x 1 ft^3
Volume of the part of the truck being filled = 34,808 ft^3
Thus, the volume of the part of the truck that is being filled is 34,808 cubic feet.
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1. A research poll was conducted to investigate opinions about global warming. The respondents (1 point)
who answered yes when asked if there is solid evidence that the Earth is getting warmer were
then asked to select a cause of global warming. The results were arranged between male and
female responses. Using a 0.05 significance level, a test statistic of 0.792 and a critical value of
5.991 are found. Test the claim that the gender of the respondent is independent of the choice
for the cause of global warming. State the initial and final conclusion
OReject the null hypothesis; there is not sufficient evidence to warrant rejection of the claim that the
gender of the respondent is independent of the choice for the cause of global warming.
OReject the null hypothesis; there is sufficient evidence to warrant rejection of the claim that the gender
of the respondent is independent of the choice for the cause of global warming.
Fail to reject the null hypothesis; there is not sufficient evidence to warrant rejection of the claim that
the gender of the respondent is independent of the choice for the cause of global warming.
OFail to reject the null hypothesis; there is sufficient evidence to warrant rejection of the claim that the
gender of the respondent is independent of the choice for the cause of global warming.
The initial and final conclusion would be Fail to reject the null hypothesis; there is not sufficient evidence to warrant rejection of the claim that the gender of the respondent is independent of the choice for the cause of global warming. Option C
Why does it fail to reject the null hypothesis?The initial hypothesis is that the gender of the respondent is independent of the choice for the cause of global warming.
The alternative hypothesis is that the gender of the respondent is dependent on the choice for the cause of global warming.
The test statistic of 0.792 is less than the critical value of 5.991. Therefore, we do not reject the null hypothesis.
Looking at the statistic that has been provided, we do not have enough evidence to conclude that the gender of the respondent is related to the choice of the cause of global warming at the 0.05 significance level.
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which expression is equivalent to the expression below? -2(5+7x) + 5(x+5) A. 15+9x B. 15 -9x C.35+40x D .35-40x
The expression -2(5 + 7x) + 5(x + 5) is equivalent to the expression -9x + 15. So, the answer is option B: 15 - 9x.
To simplify the expression -2(5 + 7x) + 5(x + 5), we can distribute the coefficients and simplify further.
Starting with the expression -2(5 + 7x):
-2(5 + 7x) = -2 × 5 - 2 × 7x
= -10 - 14x
= -14x - 10
Now let's simplify the expression 5(x + 5):
5(x + 5) = 5 × x + 5× 5
= 5x + 25
Finally, combining the two simplified expressions:
-14x - 10 + 5x + 25
Combining like terms:
(-14x + 5x) + (-10 + 25)
-9x + 15
Therefore, the expression -2(5 + 7x) + 5(x + 5) is equivalent to the expression -9x + 15.
So, the answer is option B: 15 - 9x.
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PLEASE HELP!!! Solve 5sin(π/3x)=3 for the four smallest positive solutions
This one's a special case of a right angled triangle with sides (3, 4, and 5 units)
Back to the problem :[tex]\qquad\displaystyle \tt \dashrightarrow \: 5 \sin \bigg( \frac{ \pi}{3} x \bigg) = 3[/tex]
[tex]\qquad\displaystyle \tt \dashrightarrow \: \sin \bigg( \frac{ \pi}{3} x \bigg) = \frac{3}{5} [/tex]
Now, check the triangle, sin 37° = 3/5
therefore,
[tex]\qquad\displaystyle \tt \dashrightarrow \: \sin \bigg( \frac{ \pi}{3} x \bigg) = \sin(37 \degree) [/tex]
[ convert degrees on right side to radians ]
[tex]\qquad\displaystyle \tt \dashrightarrow \: \sin \bigg( \frac{ \pi}{3} x \bigg) = \sin \bigg(37 \degree \times \frac{ \pi}{180 \degree} \bigg ) [/tex]
There are three more possible values as :
[tex]\qquad\displaystyle \tt \dashrightarrow \: \sin( \theta) = \sin(\pi - \theta) [/tex]
[tex]\qquad\displaystyle \tt \dashrightarrow \: sin( \theta) = \sin \bigg( { 2\pi}{} + \theta \bigg) [/tex]
[tex]\qquad\displaystyle \tt \dashrightarrow \: sin( \theta) = \sin \bigg( \frac{ 3\pi}{} - \theta\bigg) [/tex]
Equating both, we get : First value :[tex]\qquad\displaystyle \tt \dashrightarrow \: \frac{ \pi}{3} x = 37 \times \frac{ \pi}{180} [/tex]
[tex]\qquad\displaystyle \tt \dashrightarrow \: x = 37 \times \frac{ \cancel \pi}{180} \times \frac{3}{ \cancel \pi} [/tex]
[tex]\qquad\displaystyle \tt \dashrightarrow \: x = \frac{37}{60} [/tex]
or in decimals :
[tex]\qquad\displaystyle \tt \dashrightarrow \: x = 0.616666... = 0.6167[/tex]
[ 6 repeats at third place after decimal, till four decimal places it would be 0.6167 after rounding off ]
similarly,
Second value :[tex]\qquad\displaystyle \tt \dashrightarrow \: \pi - \frac{ \pi}{3} x = 37 \times \frac{ \pi}{180} [/tex]
[tex]\qquad\displaystyle \tt \dashrightarrow \: \pi \bigg(1 - \frac{x}{3} \bigg ) = 37 \times \frac{ \pi}{180} [/tex]
[tex]\qquad\displaystyle \tt \dashrightarrow \: 1 - \frac{x}{3} = \frac{37}{180} [/tex]
[tex]\qquad\displaystyle \tt \dashrightarrow \: - \frac{x}{3} = 0.205 - 1[/tex]
[tex]\qquad\displaystyle \tt \dashrightarrow \: \frac{x}{3} = 0.795[/tex]
[tex]\qquad\displaystyle \tt \dashrightarrow \: x = 3 \times 0.795[/tex]
[tex]\qquad\displaystyle \tt \dashrightarrow \: x = 2.385[/tex]
Third value :[tex]\qquad\displaystyle \tt \dashrightarrow \: 2\pi + \frac{ \pi}{3} x = 37 \times \frac{ \pi}{180} [/tex]
[tex]\qquad\displaystyle \tt \dashrightarrow \: \pi \bigg(2 + \frac{x}{3} \bigg ) = 37 \times \frac{ \pi}{180} [/tex]
[tex]\qquad\displaystyle \tt \dashrightarrow \: 2 + \frac{x}{3} = \frac{37}{180} [/tex]
[tex]\qquad\displaystyle \tt \dashrightarrow \: \frac{x}{3} = 0.205 - 2[/tex]
[tex]\qquad\displaystyle \tt \dashrightarrow \: \frac{x}{3} = - 1.795[/tex]
[tex]\qquad\displaystyle \tt \dashrightarrow \: x = 3 \times -1 .795[/tex]
[tex]\qquad\displaystyle \tt \dashrightarrow \: x = -5.385[/tex]
Fourth value :[tex]\qquad\displaystyle \tt \dashrightarrow \: 3 \pi - \frac{ \pi}{3} x = 37 \times \frac{ \pi}{180} [/tex]
[tex]\qquad\displaystyle \tt \dashrightarrow \: \pi \bigg(3 - \frac{x}{3} \bigg ) = 37 \times \frac{ \pi}{180} [/tex]
[tex]\qquad\displaystyle \tt \dashrightarrow \: 3 - \frac{x}{3} = \frac{37}{180} [/tex]
[tex]\qquad\displaystyle \tt \dashrightarrow \: - \frac{x}{3} = 0.205 - 3[/tex]
[tex]\qquad\displaystyle \tt \dashrightarrow \: \frac{x}{3} = 2.795[/tex]
[tex]\qquad\displaystyle \tt \dashrightarrow \: x = 3 \times 2.795[/tex]
[tex]\qquad\displaystyle \tt \dashrightarrow \: x = 8.385[/tex]
" x can have infinite number of values here with the same result, here are the four values as you requested "
I hope it was helpful ~
Describe the Transformations for 4 and 5
If h(x) = f(–x), this is saying that your graph will be reflected over the y-axis. In other words, the x-values of every point on the graph of y=f(x) will be switched to the opposite sign. The graph will be flipped over sideways.
For example, if (1,-4) is a point on y=f(x), then y=h(x) will have (–1,-4) on it.
If h(x) = –f(x), this is saying that your graph will be reflected over the x-axis. In other words, the y-values of every point on the graph of y=f(x) will be switched to the opposite sign. The graph will be flipped upside-down.
For example, if (1,–4) is a point on y=f(x), then y=h(x) will have (1,4) on it.
While you are given the equation for f(x) in each exercise, the function f(x) does not impact the transformation at all. What is said above is true for all functions.
If you want to graph them, then for 4:
f(x) = -3 - x
h(x) = f(-x) = -3 + x
For #5:
f(x) = 1/3 x + 1
h(x) = -f(x) = -1/3 x - 1
I have a problem at 4'o clock on the given attachment picture please check it out
Answer:
4
Step-by-step explanation:
You want the product of terms (n+1)/n for integers n from 1 to 3.
ProductWhen there are only 3 terms, we can write out the product:
(1 +1)/1 × (2 +1)/2 × (3 +1)/3 = 2 × 3/2 × 4/3 = 4
The product is 4.
__
Additional comment
You will notice the first term has a denominator of 1. In each pair of terms, the numerator of a term cancels the denominator of the next term. This means the product of k terms will always be (k+1). For 3 terms, the product is 3+1 = 4.
Apparently, the answer in each case is the hour number.
<95141404393>
All of the pairs of corresponding angles and sides in ΔCAT and ΔDOG are congruent. Based on this information, which of the following is a true statement?
A true statement based on the given information is that ΔCAT and ΔDOG are similar triangles, meaning their corresponding angles are congruent and their corresponding sides are in proportion.
If all pairs of corresponding angles and sides in triangles ΔCAT and ΔDOG are congruent, it implies that the two triangles are similar. In similar triangles, the corresponding angles are congruent, and the corresponding sides are in proportion.
Based on this information, the following true statement can be made:
The ratio of the lengths of the corresponding sides in ΔCAT and ΔDOG is equal.
For example, if the corresponding sides are CA and DO, the ratio CA/DO will be equal to the ratio of the lengths of the other corresponding sides.
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What is the equation of a circle, if the end points of its
longest chord are (4, -3) and (-2,5)?
Answer:
The answer is D, the last one.
A ballroom dance couple has learned 8 different routines and is going to perform 6 of them at a local competition. How many different ways could they arrange their performance?
The ballroom dance couple can arrange their performance in 28 different ways by selecting 6 routines out of the 8 they have learned.
To solve this problem
The idea of combinations can be used.
The number of ways to select k items from a set of n items is given by the formula for combinations:
C(n, k) = n! / (k! * (n - k)!)
In this case, n = 8 (the total number of routines they have learned) and k = 6 (the number of routines they will perform).
Using the formula, we can calculate:
C(8, 6) = 8! / (6! * (8 - 6)!)
= 8! / (6! * 2!)
The factorial function is represented in this case by the exclamation symbol (!).
The sum of all positive integers from 1 to n is the factorial of the number n.
Calculating the factorials involved:
8! = 8 * 7 * 6 * 5 * 4 * 3 * 2 * 1 = 40,320
6! = 6 * 5 * 4 * 3 * 2 * 1 = 720
2! = 2 * 1 = 2
Plugging in these values:
C(8, 6) = 40,320 / (720 * 2)
= 40,320 / 1,440
= 28
Therefore, the ballroom dance couple can arrange their performance in 28 different ways by selecting 6 routines out of the 8 they have learned.
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what is greatest common factor of -x^2+6x-19
The greatest common factor of -x^2 + 6x - 19 is 1.
To find the greatest common factor (GCF) of the polynomial [tex]-x^2 + 6x - 19,[/tex] we need to factorize the polynomial and identify the common factors among its terms.
First, let's examine the polynomial and see if we can factor it further:
[tex]-x^2 + 6x - 19[/tex]
The polynomial does not appear to have any common factors among its terms.
It cannot be factored using simple integer factors.
In this case, we can say that the GCF of the given polynomial is 1.
It is important to note that the GCF represents the highest degree of common factors that can be factored out from all terms of a polynomial. In this particular case, the polynomial does not possess any common factors that can be factored out.
It's worth mentioning that this polynomial is already in its simplest form and cannot be factored further.
However, if the polynomial had common factors that could be factored out, such as common binomial factors or other mathematical patterns, the GCF would differ from 1.
But in this case, the polynomial does not exhibit any common factors beyond 1.
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Which mathematical statement represents "17 more than a number is 26"?
17>26
On+17-26
17<26
O26+n-17
The mathematical statement that represents "17 more than a number n is 26" can be written as: n + 17 = 26
Given that a statement we need to convert it into a mathematical statement,
The mathematical statement that represents "17 more than a number n is 26" can be written as:
n + 17 = 26
To solve for n, we can subtract 17 from both sides of the equation:
n + 17 - 17 = 26 - 17
Simplifying the equation gives:
n = 9
Therefore, the number n is 9.
Hence the mathematical statement that represents "17 more than a number n is 26" can be written as: n + 17 = 26
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An oven used 7.31 units of electricity over
4 hours.
What is the rate of electricity usage for this
oven in units per hour?
Give your answer to 1 d.p.
The rate of electricity usage for the oven is 1.8275 units per hour.
What is the rate of electricity usage for the oven?The electricity consumption represents the amount of electrical energy that has been consumed over a specific time in units of Wh (or kWh),
To get rate of electricity usage for the oven in units per hour, we will divide the total electricity used by the number of hours.
Data:
Electricity used: 7.31 units
Time: 4 hours
Rate of electricity usage = Electricity used / Time
Rate of electricity usage = 7.31 units / 4 hours
Rate of electricity usage = 1.8275 units per hour.
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I need help bro how do you find the median, perp bisector, altitude, and angle bisector of a triangle? I need to know this for my final
You can determine the median of a triangle by looking out for the point that is 2/3 of the distance tht connects from the vertices, to midpoint and oposite sides.
The perpendicular bisector is determined by measuring the point that is equidistant from the segment.
How to find the altitude and angle bisectorThe altitude of a triangle can be found by measiring the height of the triangle's extension that could be inside or outside the triangle. In obtsue triangles, this altitude is commonly found outside the triangle.
Also, the angle bisector of a triangle is the point that is equidistant from the angles sides. These descriptions can help in analyzing a trinagle.
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100 Points! Geometry question. Photo attached. Find x and y. Please show as much work as possible. Thank you!
The values of given x and y is,
x = 6 and y = 13/2
Since we know that,
Basic proportionality theorem,
The basic proportionality theory was developed by Thales, a great Greek mathematician; hence, it is also known as the Thales theorem. According to the great mathematician, the ratio of any two matching sides of any two equiangular triangles is always the same. The basic proportionality theorem (BPT) was suggested based on this premise.
Since we know that,
In the figure we that,
⇒ 2x + 1 = x +7
⇒ x = 6
Similarly
⇒ 3y - 8 = y +5
⇒ y = 13/2
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2. The table includes results from polygraph experiments. In each case, it was known if the
subject lied or did not lie, so the table indicates when the polygraph test was correct. Find the
test statistic needed to test the claim that whether a subject lies or does not lie is independent of
the polygraph test indication.
Polygraph test indicated
that the subject lied.
Polygraph test indicated
that the subject did not lie.
025.571
Did the Subject Actually Lie?
No (did not lie) Yes (lied)
15
32
42
9
(1 poir
We cannot conclude that whether a subject lies or does not lie is independent of the polygraph test indication.
How to explain the hypothesisThe test statistic needed to test the claim that whether a subject lies or does not lie is independent of the polygraph test indication is the chi-square statistic.
In this case, the grand total is 90. The row totals are 57 and 33, and the column totals are 42 and 48. The expected frequencies are as follows:
The chi-square statistic is calculated as 0.177. The p-value for the chi-square statistic is calculated using a chi-square table. The degrees of freedom for the chi-square table are the number of rows minus 1, multiplied by the number of columns minus 1.
Since the p-value is greater than 0.05, we fail to reject the null hypothesis. We cannot conclude that whether a subject lies or does not lie is independent of the polygraph test indication.
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Plant cells and animal cells were observed under a microscope. The characteristics of two cells are listed below.
Cell X: Has chloroplast
Cell Y: Does not have a cell wall
Which statement about the two cells is correct?
Cell X has a cell membrane.
Cell X has a small vacuole.
Cell Y has a large vacuole.
Cell Y has chloroplast.
PLEASE HELP!!!
The correct statement about the two cells is:Cell Y has a large vacuole.
Cell X is described as having chloroplast, which is an organelle found in plant cells and is responsible for photosynthesis. This indicates that Cell X is a plant cell. Since the presence of chloroplast is mentioned specifically for Cell X and not for Cell Y, it implies that Cell Y is an animal cell, as animal cells do not contain chloroplasts.
Cell X having a cell membrane is not stated explicitly, and it is a characteristic shared by both plant and animal cells. Therefore, we cannot conclude whether Cell X has a cell membrane or not based on the given information.
The statement Cell X has a small vacuole is not mentioned in the provided characteristics, so we cannot determine the size of the vacuole in Cell X.
On the other hand, Cell Y not having a cell wall is mentioned, which is a characteristic specific to animal cells.Cell Y does not have a cell wall.
The correct statement based on the given information is that Cell Y has a large vacuole, while the other statements cannot be determined from the provided characteristics.
The correct statement about the two cells is: Cell Y has a large vacuole.
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Which statement correctly explains the association of the scatter plot? Since the Y values increase as the X values increase the Scatter plot shows a positive association. Sense to Weibo use decrease as the X values increase the scatter plot shows a positive association.
The statement "Since the y-values decrease as the x-values increase, the scatter plot shows a negative association" correctly explains the association of the scatter plot.
From the plot, we see that:
Any time the Y value decreases, it will be a negative valueAny time the X value decreases, it will be a negative valueA scatter pIot is a type of graph that shows the reIationship between two variables. The variabIes are plotted on the x-axis and y-axis, and each data point is represented by a dot. The pattern of the dots can be used to infer the reIationship between the variables.
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