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sattari [20]
3 years ago
8

Chris is making a poster for Bike Safety Week. The diameter of circle A is 12 in. If the area of circle B is the area of circle

A, what is the area of circle B? (Use 3.14 for .)
Mathematics
1 answer:
Mnenie [13.5K]3 years ago
5 0
The area of A and B is the same.
The formula for getting a circus area is Area = Pie Radius Squared. The diameter is double the radius. 12 ÷ 2 = 6. Let's plug that in. 6 • 3.14 = 18.84. Square that and you get 354.9456. The are of circle B is 354.9456
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Point A(–4, 2) is reflected over the line x = 3 to create the point A'. What are the coordinates of A'?
iragen [17]
A ( - 4, 2)
Reflected over x = 3.
x = 3 is a vertical line, the point (-4, 2) is 7 units on the left side of the vertical line. When you reflect across the line to the right side we need to be 7 units away from the vertical line on the right side. 3 + 7 = 10
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3 years ago
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2 years ago
What numbers add to 21 but equal 472
Anastaziya [24]
Hey there,

All we have to do is 472-21=451

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8 0
2 years ago
Read 2 more answers
3. A scuba diver was exploring a reef 32.12 m below sea level. The diver ascended to the surface at a rate of 8.8 m/min. (a) Wri
Mandarinka [93]
A. T= d/r
A good way to remember this is by making a pyramid with 3 parts and putting distance at the top and rate and time in the other two parts. This way you can visibly see the equation and use it if you need to find one for rate.

B. It's reasonable to write distance as a positive number because distance is always positive. You are not able to have a negative distance. Imagine someone standing on a side walk. Even if they are not moving, their distance is 0 which is positive. If they move backwards or forwards, their distance is still positive because it is more than that 0 and they are gaining something. 

C. Just plug in the numbers into the formula.
T= d/r
T= 32.12 m /<span>8.8 m/min
T= 3.65 min

</span>
4 0
3 years ago
An equilateral triangle and a square have the same perimeter. One side of the triangle measures 12 cm.
pentagon [3]
I believe the sides of the suare is 9
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