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ozzi
3 years ago
14

Find the volume of the figure below.

Mathematics
1 answer:
skad [1K]3 years ago
8 0
Volume\ =  \frac{4}{3} \pi r^3 =  \frac{4}{3} \times \frac{22}{7} \times 15^3 =  \boxed{14137.17\ ft^3}
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Y = x^2+ 7x - 5 can be written in the form y = (x + a)^2+b
BARSIC [14]

Answer:

see explanation

Step-by-step explanation:

The equation of a parabola in vertex form is

y = (x - h)² + k (h, k) are the coordinates of the vertex

Given y = x² + 7x - 5

To express in vertex form use the method of completing the square

add/subtract ( half the coefficient of the x- term )²

y = x² + 2( \frac{7}{2} )x +\frac{49}{4} - \frac{49}{4} - 5

y = (x + \frac{7}{2} )² - \frac{49}{4} - \frac{20}{4}

y = (x + \frac{7}{2} )² - \frac{69}{4}

Hence

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3 years ago
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Y_Kistochka [10]
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Step-by-step explanation:

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