3 years ago

A cylinder has a height of 9 meters and a radius of 14 meters. What is its volume? Use n

Mathematics

1 answer:

Alenkinab [10]3 years ago

5 0

Answer:

5,541.77

Step-by-step explanation:

V= πr2h

π · 142 · 9 ≈ 5541.76944

Brainliest?

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Find the vertex of y = x2 + 14x − 40 by completing the square. A. (−7, 89) B. (−89, −7) C. (7, 89) D. (−7, −89)

irga5000 [103]

Alright, lets get started.

$y = x^2 + 14 x - 40$

For making complete square, we will add and subtract 49 in this

$y = x^2 + 14 x - 40 + 49 - 49$

$y = x^2 + 14 x + 49 -40 - 49$

$y = (x+7)^2 - 40 - 49$

$y = (x+7)^2 - 89$

Comparing the standard equation of parabola

$y = a (x-h)^2 + k$ where (h,k) are vertex

So, comparing the equation with standard one, h, k would be = (-7 , -89)

So, the vertex are (-7 , -89) : Answer

Hope it will help :)

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It's easier to add these first and then change to SN.

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SN needs to change to this format:

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