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kaleahearly123
11.03.2021 •
Mathematics
1.) y = r’ – 2x-3
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Ответ:
The diameter is twice that, or approx. 7.90 units.
Step-by-step explanation:
the equation for the volume of a cylinder of radius r and height h is
V = πr²h. Here we need to calculate the diameter after having found the radius. Solving V = πr²h for r², we get:
V
r² =
πh
Substituting the given values, we obtain for r² the following:
145 units³
r² = = 15.6 units²
3.14159(5 units)
Taking the square root of both sides, we get:
r = √15.60, or approx. 3.95 units.
The diameter is twice that, or approx. 7.90 units.