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irina [24]
3 years ago
12

Dont get it wrong, if its wrong i fail, explain how you got your answer

Mathematics
1 answer:
damaskus [11]3 years ago
7 0

Answer: 50.24

Area of a circle is pi times r^2

The r is 1/2 the d

So 8/2 = 4

Pi times 4^2= 50.24

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A piece of wood is cut into 3 pieces in the ratio 5:4:3 if the length of the shortest piece is 2 how long is the wood
Bad White [126]

Answer:

Step-by-step explanation:

5:4:3 = x:y:2

4:3 = y:2                 Cross multiply

3y = 8                     Divide by 3

y = 8/3 = 2.66'

5/x = 3/2

3x = 10                   Divide by 3

x = 10/3

x = 3.33

Length of the wood = 2.66 + 3.33 + 2

Length of the wood = 8 feet

8 0
3 years ago
A produce supplier ships boxes of produce to individual customers. The distribution of weights of shipped boxes is approximately
schepotkina [342]

Answer:

0.67(4)+ 36

Option D

Step-by-step explanation:

Given that a producer ships boxes of produce to individual customers.(say x)

X is a normal random variable with mean = 36 and std dev  =4 lbs

By definition of std normal variate we know that

\frac{x-36}{4} is N(0,1)

75th percentile of std normal distribution is

0.675

Hence corresponding x would be

36+0.675(4)

Option D matches with this value

Hence answer is option D

0.67(4)+ 36

5 0
3 years ago
Read 2 more answers
Use the elimination method to solve the system of equations. What is the correct ordered pair. Explain.
natta225 [31]
3y = x - 1...I am going to re-arrange this.....-x + 3y = -1

-x + 3y = -1
x - 2y = 2
---------------add...u will notice that the x's cancel
y = 1

3y = x - 1
3(1) = x - 1
3 = x - 1
3 + 1 = x
4 = x

solution is (4,1)
5 0
3 years ago
The table shows the height of a plant as it grows. What equation in point-slope form gives the plant’s height at any time? Let y
balu736 [363]
Here u can see rate of cahnge of y over x is called slope =5
 So point slope form of  a line
Y-y1=m(x-x1)
Y-15=5(x-3)
6 0
3 years ago
Factor the polynomial FULLY?
Sloan [31]

Step-by-step explanation:

4x²-64

(2x)²-(8)²

a²-b²=(a+b)(a-b)

=(2x+8)(2x-8)

Therefore, the factors are -4 and 4.

4 0
3 years ago
Read 2 more answers
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