Answer:
Step-by-step explanation:
The formula C = 2√πA is designed to find a circle's circumference using the area (A). Alternatively, you can solve the equation A = πR2 in reverse to find R, then plug R into the circumference equation.
So cola bottle is a cylinder.
Surface area of a cylinder:
Answer: 84 m
Step-by-step explanation:
To find area, you multiply the width by the length ( A = L x W). Here, it is asking for the length, giving the area of the pool and the width. With this information, you can inverse operation ( division) to find the length of the pool. So:
5628 / 67 = 84
This tells us that the length of the pool is 87 meters. To check this answer, multiply 67 and 84. If it's equivalent to 5628, the given area, then 84 is indeed the length of the pool.
67 x 84 = 5628.
Thus, the length of the pool is 84 m.
Answer:
b
Step-by-step explanation:
(625x¹²y⁸)^¼
(5⁴x¹²y⁸)^½
5×x³×y²
5x³y²
5|x³|y²
For it to be positive,
x³ should be positive because 5 and y² already are positive.
