2 years ago

Pleased help me answer this I'm confused. look at picture

Mathematics

1 answer:

skad [1K]2 years ago

7 0

Answer:

23 + 16 = 39

39 - 16 = 23

the student did not reverse the sum correctly

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A disco ball is shaped like a sphere with a diameter of 16 inches. To the nearest square inch, what is the surface of the disco

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If the diameter is 16 inches, then its radius is half that, r = 8.

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\begin{cases}
r=radius\\
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r=8
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Step-by-step explanation and answer:

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elena-s [515]

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3 years ago

The circumference of a circle can be found using the formula C = 2r. Which is an equivalent equation solved for r? r = C r = C(2

vaieri [72.5K]

Answer:

r equals StartFraction C Over 2 pi EndFraction

Step-by-step explanation:

we know that

The circumference of a circle is equal to

$C=2\pi r$

where

r is the radius of the circle

Solve for r

That means -----> isolate the variable r

Divide by 2π both sides

$\frac{C}{2\pi}=\frac{2\pi r}{2\pi}$

Simplify right side

$\frac{C}{2\pi}=r$

Rewrite

$r=\frac{C}{2\pi}$

r equals StartFraction C Over 2 pi EndFraction

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3 years ago

Read 2 more answers

Pleased help me answer this I'm confused. look at picture​

Pleased help me answer this I'm confused. look at picture