3 years ago

A cone has a radius of 2 and it’s volume is 29 cubic units. What is the height of the cone ?

Mathematics

1 answer:

Zielflug [23.3K]3 years ago

7 0

Answer: v= pi.r².h/3

29= 22/7.2².h/3

29×3×7/22×4= h

609/88=h

6.92=h

Step-by-step explanation:

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Step-by-step explanation:

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3 years ago

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3 years ago

Rewrite each equation in vertex form by completing the square. Then identify the vertex.

ioda

ANSWER

Vertex form;

$y = 3( {x + \frac{3}{2} })^{2} - \frac{35}{4}$

Vertex

$V( - \frac{3}{2} , - \frac{35}{4} )$

EXPLANATION

Given:

$f(x) = 3 {x}^{2} + 9x - 2$

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$y = 3( {x}^{2} + 3x + \frac{9}{4} ) - 2 - 3 \times \frac{9}{4}$

The vertex form is:

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The vertex is

$V( - \frac{3}{2} , - \frac{35}{4} )$

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4 years ago

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