$\bf \textit{surface area of a sphere}\\\\ SA=4\pi r^2~~ \begin{cases} r=radius\\[-0.5em] \hrulefill\\ r = 5 \end{cases}\implies SA=4\pi (5)^2 \\\\\\ SA=100\pi\implies SA\approx 314.16 \\\\[-0.35em] ~\dotfill\\\\ \textit{volume of a sphere}\\\\ V=\cfrac{4\pi r^3}{3}\qquad \qquad V=\cfrac{4\pi (5)^3}{3}\implies V=\cfrac{500\pi }{3}\implies V\approx 523.60$

7 0

3 years ago

If the length of a rectangle is (x+5) and the width is (x+2), what is the area of the rectangle?

BARSIC [14]

Answer: x^2+7x+10

Step-by-step explanation:

8 0

3 years ago

The day started at 48 degrees. by 3:00 p.m., the temperature has increased by 17 degrees. by nightfall, the temperature fell 17

Lemur [1.5K]

The temp. rose by 17 degrees and then fell by 17 degrees. This means that the net change in temp over the course of the day was zero.

5 0

3 years ago

HELP NEEDED

svet-max [94.6K]

Answer:

Step-by-step explanation:

You would put b at -3 (put a dot there)

Move with m by going up 1, and then to the right 4 (the next dot should be at --2, 4)

connect both points with a straight line

8 0

3 years ago

Please Help! Freshman in high-school Algerbra 1​

Please Help! Freshman in high-school Algerbra 1