Mathematics: Help pleaseeeeeee❗️❗️❗️❗️

Help pleaseeeeeee❗️❗️❗️❗️

Jolenesopalski

28.01.2022

Step-by-step explanation: Mr. Inderhees added 5 to each side of the equation for his first step to isolate the x term which in this case is 4x.

So when he added 5 to both sides of the equation, he got 20 = 4x.

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Arleth25

16.04.2021

49.7 $cm^{2}$

Step-by-step explanation:

Although it is hidden a bit, we are actually given the circumference of the circle, which is 25 cm.

We know that C = 2πr, so we can substitute variables to find the radius (r).

25 = 2πr

r = 25/(2π)

r = 3.9788... cm

The area of a circle is A = π $r^{2}$ , so:

A = π $3.9788^{2}$

A = 49.7359... $cm^{2}$

A ≈ 49.7 $cm^{2}$

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