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3 years ago

F(x)=squarerootof(x−3), what is f(12)?

Mathematics

2 answers:

Anon25 [30]3 years ago

8 0

Answer:

It's 3

Step-by-step explanation:

kykrilka [37]3 years ago

4 0

Answer:

Step-by-step explanation:

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The volume of a cylinder is 1087 cm and its height is 12 cm.

Ierofanga [76]

Step-by-step explanation:

<h3>Appropriate QuestioN :</h3>

The volume of a cylinder is 108π cm³ and its height is 12 cm. What is the length of the cylinder's radius?

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$\red{\frak{Given}} \begin{cases} & \sf{Volume\ of\ the\ cylinder\ =\ {\pmb{\sf{108{\pi}\ cm^3.}}}} \\ & \sf{Height\ of\ the\ cylinder\ =\ {\pmb{\sf{12\ cm.}}}} \end{cases}$

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$\rule{200}{3}$

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$\sf \dashrightarrow {Volume\ of\ cylinder\ =\ {\pi}r^2h} \\ \\ \\ \sf \dashrightarrow {108{\pi}\ =\ {\pi}r^2h} \\ \\ \\ \sf \dashrightarrow {108{\cancel \pi}\ =\ {\cancel \pi}r^2 \times 12} \\ \\ \\ \sf \dashrightarrow {108\ =\ r^2 \times 12} \\ \\ \\ \sf \dashrightarrow {\dfrac{\cancel{108}}{\cancel{12}}\ =\ r^2} \\ \\ \\ \sf \dashrightarrow {r^2\ =\ 9} \\ \\ \\ \sf \dashrightarrow {r\ =\ \sqrt{9}} \\ \\ \\ \dashrightarrow {\underbrace{\boxed{\pink{\frak{r\ =\ 3\ cm.}}}}_{\sf \blue{\tiny{Radius\ of\ cylinder}}}}$

∴ Hence, the length of the cylinder's radius is 3 cm.

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2 years ago

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