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serious [3.7K]
3 years ago
12

The radius of a circle is 4 feet. What is the circle’s area? Use 3.14 for pi

Mathematics
1 answer:
Arte-miy333 [17]3 years ago
7 0

Answer:

A= 3.14 * 4² = 50.24 ≈ 50 ft²

Step-by-step explanation:

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Solve<br> 1/2<br> x + 3 &lt;4x - 7
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Answer:

x>20/7

Step-by-step explanation:

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3 0
3 years ago
Which answer choice is correct ?
alexdok [17]

Answer: B, p=q

Step-by-step explanation:

In every triangle, the sum of the angles will equal 180 degrees.

If you add the angles given in each triangle, both with equal 100 degrees.

Because of this, you do 180 degrees - 100 degrees to find that each angle, p and q, are both 80 degrees.

7 0
3 years ago
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Evaluate 30 - 12 / 3 * 2
Ivenika [448]
Answer:22

step by step:
so we have PE(MD)(AS)
(for multiplication and division it depends on left to right, same for addition and subtraction)

this could be read as
30 - [(12/3)*2]

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last you do 30-8 which is 22

hope that helps :)
3 0
3 years ago
Suppose the line of best fit is being found for some data points that have an r-value of 0.657. If the standard deviation of the
oksian1 [2.3K]
We are given a line with the following data:

r-value = 0.657 (r)
standard deviation of x-coordinates = 2.445 (Sx)
standard deviation of y-coordinates = 9.902 (Sy)

We are asked to find the slope of the line up to 3 decimal places.

To find the slope of the line, based on the data that we have, we can use this formula:

slope, b = r * (Sy / Sx) 

substitute the values to the formula:

b = 0.657 * ( 9.902 / 2.445 )

Solve for the b.

Therefore, the slope of the line is 

b = 2.66078, round off to three decimal places:

b = 2.661 is the slope of the line. 
5 0
3 years ago
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Mitchell buys a rug that is 3.8 meters long and 0.9 meters wide. How many square meters does the rug cover? Record your answer b
Bond [772]

Answer:3.42

Step-by-step explanation:to get the answer to a area equation you need to multiply the length by the width.

5 0
3 years ago
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