2 years ago

The volume of a cylinder closed at one end is 1056cm³. If it's height is 21cm Find it's (I) tatal surface area

Mathematics

1 answer:

Elodia [21]2 years ago

3 0

Answer:

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Step-by-step explanation:

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Adam is building a rectanglar swimming pool. The perimeter of the pool must be no more then 120 feet. If the length of the pool

jasenka [17]

Answer:

$W\leq 38\ ft$

The maximum width must be $38\ ft$

Step-by-step explanation:

Let

L ----> the length of the rectangular pool

W ---> The width of the rectangular pool

we know that

$P\leq 120\ ft$

$P=2(L+W)$

$2(W+L)\leq 120$ ----> inequality A

we have

$L=22\ ft$

substitute the value of L in the inequality A

$2(W+22)\leq 120$

simplify

$(W+22)\leq 60$

$W\leq 60-22$

$W\leq 38\ ft$

The maximum width must be $38\ ft$

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3 years ago

The volume of a cylinder closed at one end is 1056cm³. If it's height is 21cm Find it's (I) tatal surface area​

The volume of a cylinder closed at one end is 1056cm³. If it's height is 21cm Find it's (I) tatal surface area