sarahelisabeth444
10.03.2020 •
Mathematics
What are the dimensions of their pool?
What is the area of the grassy space?
PLZ I NEED HELP
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Ответ:
First expand the equation for the pool by multiplying each term in the first set of parentheses by each term in the second set and simplifying:
(X-4)(2x+7)
2x^2-x-28
Now subtract from the are of the yard:
3x^2 -14x -5 - 2x^2-x-28
Answer= x^2-13x+23
Ответ:
approximately the radius is 5 cm
Step-by-step explanation:
The formula for Volume of a Cylinder is shown below:
Volume of a Cylinder:
Where
V is the volume
r is the radius
h is the height
We know
V = 1728
h = 22
We substitute and find r:
So we can that approximately the radius is 5 cm