Answer:
8z+15
Step-by-step explanation:
Multiply each coordinate by two; which then becomes
(16,8), (16,12), (20,12), (20,8)
None of these are true roots.
a. The closest true root to √50 is 7.
7^2 = 49
b. The closest true root to √150 is 12.
12^2 = 144
c. The closest true root to √350 is 19.
19^2 = 361
d. This is a cubed root, rather than a square root.
The closest root to 3√350 is 7.
7^3 = 343
The formula for the surface area of a sphere is
A = 4 × pi × r²
So let's plug in numbers.
Our radius is 10.
A = 4 × pi × 10²
4 × pi × 100
400 × 3.14 = 1256
The surface area of the red sphere is 1256 in².
Hope this helped! :)
$850 - if you think about it, 15% off of $100 is just $15 off so add another 0 to the $100 and add another zero to your answer.
