In a case whereby the the shortest side of a right triangle measures 6, and the longest side measures 10 the measurement of the unknown side is 8.
How can the measurement of the unknown side be calculated?We can use this expression from trigonometry to know the third side of the triangle as:
a^2 + b^2 = c^2
Then since the longest side measures 10 which is the c side of the triangle then the unknown side can be calculated as :
10^2 - 6^2
The we can simplify as
100-36=64
Then [tex]\sqrt{64}[/tex] = 8.
Therefore, the second option is correct.
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a company produces steel rods. the lengths of the steel rods are normally distributed with a mean of 140.9-cm and a standard deviation of 1-cm. for shipment, 22 steel rods are bundled together. find the probability that the average length of a randomly selected bundle of steel rods is less than 140.7-cm.
The most typical or average value among a group of numbers is called the mean. It is a statistical measure of a probability distribution's central tendency along the median and mode. It also goes by the name "anticipated value."
Steel rods are produced by a firm. The lengths of the steel rods have a mean of 140.9 cm and a standard deviation of 1 cm, and they are regularly distributed. 22 steel rods are packaged together for shipping. determine the likelihood that the average length of a bundle of steel rods chosen at random is less than 140.7 cm.
mean is N (M) (109,1.6)
Looking for P(M 108.7) to P(z ???) conversion utilizing N(0,1) z-statistic transformation
P(z [M - population mean]/[SD/square root(sample size)]) = P(z [108.7-109)/[1.6/sqrt(27)] = P(z -0.974] = 0.165.
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Part A Write the multiplication expression shown by the model. Do not solve the problem. Part B
Explain the expression written in Part A. Include the final product and how it is shown with the model.
The multiplication expression is given as L × w
The expression is given as N = r+ g + w + b
The final product of the expression is 200 boxes
How to determine the expressionNote that the formula determining the area of a rectangle is expressed as;
Area = lw
Where;
l denotes the length of the rectanglew denotes the width of the rectangleThe area of the figure can be calculated by multiplying the length and the width and then addition of the number of boxes.
This is given as;
10( 4 + 5 + 4 + 7)
Also
L × w = r + g + w + b
The expression L×w is a multiplication expression.
Total number of boxes vertically is the length = 20
Total number of boxes horizontally is the width = 10
Total area = L×w = 20 × 10 = 200
Number of the red boxes = 46Number of the green boxes = 46Number of the blue boxes = 46Number of the white boxes = 62Then,
N= r + g + w + b
We have;
L×B = 3r + w
Hence, a multiplication expression is expression having variables that are multiplied.
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If the diameter of a circle is 20 , what is the area ?
the diameter of a circle is 20
The radius of circle is the half of the diameter of the circle :
Radius = Diamter/2
In the given question , we have Diameter = 20
So,
Radius = 20/2
Radius = 10
The expression for the radius 'r' of the circle is express as :
[tex]\text{ Area of Circle =}\Pi(radius)^2[/tex]Substitute the value of Radius r = 10 in the expression of the area of circle:
[tex]\begin{gathered} \text{ Area of Circle =}\Pi(radius)^2 \\ \text{ Area of Circle =}\Pi(10)^2 \\ \text{ Area of Circle =}3.14\times10\times10 \\ \text{ Area of Circle =}3.14\times100 \\ \text{ Area of Circle =}314 \end{gathered}[/tex]Area of the circle is 314
Answer : 314 unit square.
helppp !!!!!
given a circle with a diameter of eight what is the circumference?
Answer:
D
Step-by-step explanation:
the circumference (C) of a circle is calculated as
C = πd ( d is the diameter ) , then
C = π × 8 = 8π
Answer: C=2pir or diameter(pi)
Step-by-step explanation:
The diameter of a circle stretches from one side to the other, the Radius (r) goes from the center to the side meaning it is twice the diameter.
To solve this just half the diameter and insert it into the first equation or just plug it in for diameter.
The answer is
D. 8pi
a steel sphere with a 3-inch radius is made by removing metal from the corners of a cube that has the shortest possible side lengths. how many cubic inches are in the volume of the cube?
The volume of the cube with the shortest possible side lengths is 216 cubic inches.
If a steel sphere with a 3-inch radius is made by removing metal from the corners of a cube that has the shortest possible side lengths, then the side lengths of the cube must be equal to the diameter of the sphere.
side length of cube = diameter of sphere
side length of cube = 2 x radius of sphere
side length of cube = 2 x 3 inches
side length of cube = 6 inches
The volume of the cube can be calculated using the formula below.
V = s³
where V = volume and s = side length of cube
V = (6 inches)³
V = 216 cubic inches
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The function g(x)is represented by g (x)=2(x+3)^2+4.rewrite the function in standered form.
g( x ) = 2x² + 12x + 22 is the standard form of the the function g( x ) = 2( x + 3 )² + 4.
What is the standard form of the function?Polynomials in standard forms are written in a way that arrange the terms in descending order.
Given the data in the question.
g( x ) = 2( x + 3 )² + 4
First, we expand; ( x + 3 )² → ( x + 3 )( x + 3 )
g( x ) = 2( ( x + 3 )( x + 3 ) ) + 4
Using FOIL Method
g( x ) = 2( x² + 3x + 3x + 9 ) + 4
g( x ) = 2( x² + 6x + 9 ) + 4
Apply distributive property
g( x ) = 2( x² + 6x + 9 ) + 4
g( x ) = ( 2x² + 12x + 18 ) + 4
Add 18 and 4
g( x ) = 2x² + 12x + 18 + 4
g( x ) = 2x² + 12x + 22
Therefore, the function in standard form is g( x ) = 2x² + 12x + 22
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matthew is thinking about applying for a credit card with a low interest rate. the loan application asks how much he owes on his mortgage and on his existing credit cards matthew used his calculator to figure out these two numbers and they are 2.4e5 and 1.25e4. how much money does matthew owe?(a) $232,500(b) $240,000(c) $252,500(d) $265,000
so:
[tex]240000+12500=252000[/tex]Answer:
(c) $252,500
The sizes of two matrices A and B are given. Find the sizes of the product AB and BA, whenever these products exist.A=3*2, B=2*3
Let's begin by identifying key information given to us:
A is a 3 x 2 matrix
B is a 2 x 3 matrix
AB is the product of 3 x 2 matrix & 2 x 3 matrix. We obtain a 3 x 3 matrix
Therefore, the size of the product of A & B (that is AB) is a 3 x 3 matrix whenever these products exist
Find the slope answer fast
Answer:
y=65/100x+2.5
Step-by-step explanation:
6. The quadratic functions f(x) =-x+2x+6 and g(x)= x’ +2x are shown graphed below. The positivesolution to f(x)=g(x) is closest to which of the following?Y(1) x=6.5(3) x=1.7(2) x = 3.7(4) x=0.5
Notice that the intersection between both functions on the positive values of x is near the line x=2. From the provided options, the closest to that value is 1.7
Then, the positive solution to f(x)=g(x) is closest to:
[tex]x=1.7[/tex]y = 2x - 4 what is the slope
Remember that the slope-intercept equation of the line is:
[tex]y=mx+b[/tex]where 'm' is the slope and b is the y-intercept.
In this case, we have the following:
[tex]y=2x-4[/tex]therefore,, the slope is m = 2
O is the center of the regular decagon below. Find its perimeter. Round to the nearest
tenth if necessary.
16
Answer:
Step-by-step explanation:
The perimeter of the given polygon rounded to the nearest tenth is; 24.7
What is the perimeter of the Polygon?
The given polygon as we can see has 10 sides.
Now, when we draw a line from the center to the next vertex to the left of the one currently having a line, we will see that the angle can be calculated as; 360/10 = 36° because sum of exterior angles of a polygon sums up to 360°.
Thus, the other two angles will be; (180 - 36)/2 = 72° each
Using sine rule, we can find the length of a side of the polygon as;
x/sin 36 = 4/sin 72
x = (4 * sin 36)/sin 72
x = 2.472
Thus, perimeter = 2.472 * 10 = 24.72 ≈ 24.7
4. 3. The price of a computer is $699.00. The sales tax rate is 8%. What is the 10 points
sales tax on this computer in dollars and cents?
Mark only one oval.
0000
$55.92
$754.92
$5,592.00
$5.59
Answer:
$754.92
Step-by-step explanation:
699.00 plus 8% of 699.00 is 754.92
PLEASE HELP ME THIS IS DUE IN 30 MINTUES!
Answer:
70
Step-by-step explanation:
Proportional means in a ratio.
Picking any L/W from the table works. Set that equal to 42/W.
[tex]\frac{6}{10} =\frac{42}{W}[/tex]
Solve for W.
6W = 42 * 10
6W=420
W=70
exercise 2.31. suppose a family has 2 children of different ages. we assume that all combinations of boys and girls are equally likely. (a) formulate precisely the sample space and probability measure that describes the genders of the two children in the order in which they are born. (b) suppose we learn that there is a girl in the family. (precisely: we learn that there is at least one girl.) what is the probability that the other child is a boy? (c) suppose we see the parents with a girl, and the parents tell us that this is their youngest child. what is the probability that the older child we have not yet seen is a boy?
A. P(BB) = P( GG) ,P(BG), P(GB) .1/4 the sample space and probability measure that describes the genders of the two children in the order in which they are born.
B. = 1/2 is the probability that the other child is a boy.
C. 1/2 is the probability that the older child we have not yet seen is a boy.
A. sample space s. {BB,GG,BG,GB}
P(BB) = P( GG) ,P(BG), P(GB) .1/4
B. P(other child is boy / at least one girl
therefore P(A/B) = P(A∩B)/P(B) ( Additional probe)
P(B) = P (at least one girl)
= P (GG)+P(BG)+P(GB)
= 1/4+1/4+1/4
= 3/4
P (A∩B) = P (One boy and one girl)
= P (BG)+P(GB)
= 1/4+ 1/4
= 1/2
Therefore, P(A/B) = [tex]\frac{\frac{1}{2} }{\frac{3}{4} }[/tex] = 2/3
C. P (older child is a boy/ younger child is a girl)
P [tex]\frac{older child\ is a\ boy}{youngerchild is a girl}[/tex]
P(BG)/P (BG)+ P (GG) = 1/4/1/4+1/4 = 1/2
What is probability?Probability refers to potential. A random event's occurrence is the subject of this area of mathematics. The range of the value is 0 to 1. Mathematics has incorporated probability to forecast the likelihood of various events. The degree to which something is likely to happen is basically what probability means. You will understand the potential outcomes for a random experiment using this fundamental theory of probability, which is also applied to the probability distribution. Knowing the total number of outcomes is necessary before we can calculate the likelihood that a specific event will occur.
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what 15/60 as a decimal?
Answer:
0.25 (1/4 as a fraction)
Step-by-step explanation:
what 15/60 as a decimal?
Fraction is a division, 15/60 is the same as 15 : 60so
15 : 60 =
0.25 (1/4 as a fraction)
Isaiah's school is having a spring carnival. When Isaiah carries a bin of water balloons outside for the balloon toss, he trips and breaks 12 balloons. He counts the remaining water balloons, and there are 14 left. Which equation can you use to find the number of water balloons w in the bin before Isaiah trips?
Solve this equation for w to find the number of water balloons in the bin. Water balloons
Equation: w - 12 = 14
Answer: 26
Step-by-step explanation:
Lost 12, left with 14.
Let W be water balloons before the trip.
w - 12 = 14
14 + 12 = 26
Proof:
26 - 12 = 14
Hello,Can you help me with question #56 in the photo?Thank you,
In order to calculate the total spending in the town each year, first, multiply by the 70% that is spent within the town,
[tex]\begin{gathered} \text{\$}4,000,000\times70\% \\ \text{\$}4,000,000\times0.70 \\ =\text{\$}2,800,000 \end{gathered}[/tex]Also, multiply by 70% of the amount people will spend after they receive it in town,
[tex]\begin{gathered} \text{ \$}2,800,000\times70\% \\ \text{ \$}2,800,000\times0.70 \\ =1,960,000 \end{gathered}[/tex]Answer:
The total spending in the town each year is $1,960,000
Write the equation in slope intercept form:2x+y=2
Answer:
y = - 2x + 2
Step-by-step explanation:
the equation of a line in slope- intercept form is
y = mx + c ( m is the slope and c the y- intercept )
given
2x + y = 2 ( subtract 2x from both sides )
y = - 2x + 2 ← in slope- intercept form
1. Write the distance from the Sun to Mercury in scientific notation. Include units with your answer.
NEED HELP ASAP WILL GIVE BRAINLIST TO BEST AWNSER
Answer:
3.456 × 10^11
Step-by-step explanation:
= 3.456 × 10^11
scientific notation
= 3.456e11
scientific e notation
= 345.6 × 10^9
engineering notation
billion; prefix giga- (G)
= 3.456 × 10^11
standard form
11
Order of Magnitude
for scientific and standard forms
= 345600000000
(real number)
= three hundred forty-five billion six hundred million
word form
I hope this helps!! :D
aMathWhich of the following shows the solution and graph to the inequality2x + 1 s 15?
Answer:
[tex]\text{ Option }\Rightarrow\text{ D}[/tex]Explanation: We need to find the answer to the inequality
[tex]2x+1\leq15[/tex]Solution:
[tex]\begin{gathered} 2x+1\leq15 \\ 2x\leq15-1 \\ \therefore\Rightarrow \\ 2x\leq14\rightarrow2x\leq\frac{14}{2} \\ x\leq7 \end{gathered}[/tex]Graph:
The solution as found through solving inequality and demonstrated in the graph is
[tex]\text{ is Option D}[/tex]What is the value of x?
40
20
12
At
P60°
8x-4
a
b
Answer:
8x - 4 = 60 (alternate angles, parallel lines a and b)
8x = 64
x = 8
Negative t divide by four equal’s negative three pie?
Answer:
Step-by-step explanation:
yes it does
C= 3 + ab find the variable for b
Which of the following equations represents the line that passes through the point (4, 3) and has a slope of 1/2.
A) 2x-3y=-18
B)2x-3y=17
C)3x-2y=-17
D)3x-2y-18
The equation of the line in standard form is -1/2x + y = 1 or y = 1/2x + 1 in slope-intercept form.
(note: none of the option given is correct).
What is the Equation of a Line?In standard form, the equation of a line can be expressed as Ax + By = C, where x and y are coordinate of a point on the line, A, B, and C are integers.
This equation can be rewritten in slope-intercept form as y = mx + b, where b is the y-intercept and m is the slope.
Given:
Slope (m) = 1/2Point (x, y) = (4, 3)Substitute m = 1/2, x = 4, and y = 3 into y = mx + b to find b:
3 = 1/2(4) + b
3 = 2 + b
3 - 2 = b
1 = b
b = 1
Write the equation by substituting b = 1 and m = 1/2 into y = mx + b:
y = 1/2x + 1
Rewrite in standard form
- 1/2x + y = 1
Thus, none of the options is correct, The equation is: y = 1/2x + 1 in slope-intercept form or - 1/2x + y = 1 in standard form.
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The ages of students at a university are normally distributed with a mean of 21. What percentage of the student body is at least 21 years old?.
Since the ages of students at a university are normally distributed with a mean of 21, the percentage of the student body that is at least 21 years old is: 50%.
What is a normal distribution?A normal distribution is also referred to as the Gaussian distribution and it can be defined as a probability distribution that is continuous and symmetrical on both sides of the mean, which indicate that all data near the mean have a higher frequency than the data that are far from the mean.
For all normal distributions, the mean is always located at the center with 50 percent (50%) or 0.5 of the distribution to either side, which is right or left of the distribution.
In this context, the percentage of student body that is at least 21 years old is represented by the percentage to the left of the normal distribution, which is 50 percent (50%):
P(x ≤ 21) = 50%
P(x ≤ 21) = 50/100
P(x ≤ 21) = 0.5.
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vAt her Fourth of July party, Sally serves her famous grilled chicken. Her secret is to use 6 fluid ounces of lemon-garlic marinade for every pound of chicken. Sally plans to grill 4 pounds of chicken. How many cups of marinade should she use
In linear equation, 3 number of cups will be needed to marinade 4 pounds of chicken for grill.
What are a definition and an example of a linear equation?
An equation with only one variable is referred to as a linear equation in one variable. It has the mathematical formula Ax + B = 0, where A and B can be any two real numbers, and x is an unknowable variable with just one possible value. A linear equation in one variable would be 9x + 78 = 18, for instance.Here we have the data from the question:-
Marcy will use 6 fluid ounces of lemon-garlic marinade for every pound of chicken.
Marcy plans to grill 4 pounds of chicken.
So total marinade required will be:-
Total marinade =6x4=24 ounces
Now we know that the conversion:-
1 fluid Ounce = 0.125 Cup
24 fluid ounce =0.125 Cup
Hence 3 number of cups will be needed to marinade 4 pounds of chicken for grill.
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Can someone please answer this!
Considering the situation described, it is found that:
a) The numeric values of the piecewise function are as follows:
W(30) = $300.W(40) = $400.W(47) = $505.W(52) = $580.b) The new piece-wise function is:
W(h) = 10h, 0 ≤ h ≤ 38.W(h) = 15(h - 38) + 380, h > 38.c) The new piece-wise function is:
W(h) = 12h, 0 ≤ h ≤ 40.W(h) = 18(h - 40) + 480, h > 40. What is a piecewise-defined function?A piecewise-defined function is a function that has different definitions, depending on the input of the function.
In this problem, the rule is one for times up to 40 hours, and another for times greater than 40 hours, hence the numeric values are given as follows:
W(30) = 10 x 30 = $300.W(40) = 10 x 40 = $400.W(47) = 15 x (47 - 40) + 400 = $505.W(52) = 15 x (52 - 40) + 400 = $580.For item b, the new reference is of 38 hours, hence the function is:
W(h) = 10h, 0 ≤ h ≤ 38.W(h) = 15(h - 38) + 380, h > 38. (the earnings for the first 38 hours are of 38 x 10 = $380).For item c, the new hourly wage is of 12 hours, hence the rule is:
W(h) = 12h, 0 ≤ h ≤ 40.W(h) = 18(h - 40) + 480, h > 40. (pay and half = 12 x 1.5 = 18, wage for the first 40 hours of 40 x 12 = 480).More can be learned about piecewise functions at brainly.com/question/19358926
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Find the measure of angle b
Answer: B=30
Step-by-step explanation:
because of corresponding angles
Hope this helps! have a great day!
sorry also if you can could you please give a brainliest it would help a lot
how many ways can a president, a vice-president and a secretary be chosen from 12 members of a club assuming that one person cannot hold more than one position?
Answer: 1320 ways.
Step-by-step explanation:
For this problem you should use the formula for variations in combinatorics. You use this when choosing a few objects from a group in which the order of the objects is of importance:
[tex]P^{12} _{3}=\frac{12!}{(12-3)!}=\frac{12 \cdot 11\cdot 10\cdot ...\cdot 1}{9 \cdot 8 \cdot ... \cdot 1} = 12 \cdot 11 \cdot 10 = 1320[/tex]
where ! stands for factorial.