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Jlenok [28]
3 years ago
7

Please help me I will give brainlest if right

Mathematics
1 answer:
Black_prince [1.1K]3 years ago
6 0

Given:

Consider the given polynomial is:

x^3+4x^2+16x+64

To find:

The complete factorization of the given polynomial.

Solution:

We have,

x^3+4x^2+16x+64

Using grouping method, we get

=(x^3+4x^2)+(16x+64)

=x^2(x+4)+16(x+4)

=(x+4)(x^2+16)

=(x+4)(x+4i)(x-4i)         [\because x^2+y^2=(x+iy)(x-iy)]

Therefore, the correct option is C.

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17.7 gallons of gas would she require to travel 413 miles at this rate when Jenny used 9 gallons of gas to travel 210 miles.

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Nicole can achieve a fuel efficiency of 23.3 miles per gallon.

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413/23.3 = 17.7 gallons needed.

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4 0
1 year ago
The volume of a tree stump can be modeled by considering it as a right cylinder. Justin measures its circumference as 84 in and
lions [1.4K]

Given the values of the circumference and volume, the height  of the tree trump to the nearest tenth is 36.0in.

<h3>What is a cylinder?</h3>

A cylinder is simply a 3-dimensional shape having two parallel circular bases joined by a curved surface.

The volume of a cylinder is expressed as;

V = π × r² × h

Where r is radius of the circular base, h is height and π is constant pi ( π = 3.14 )

Given the data in the question;

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First we determine the radius of the circular base.

Since circumference C = 2πr then r = C / 2π.

Hence, the volume of the cylinderical tree stump will be;

V = π × (C / 2π)² × h

V = π × ( C² / 4π² ) × h

V =  hC² / 4π

4πV = hC²

h = 4πV / C²

We substitute our given values into the expression

h = ( 4 × 3.14 × 20214in³ ) / (84in)²

h = 253887.84in³ / 7056in²

h = 36.0in

Therefore, given the values of the circumference and volume, the height  of the tree trump to the nearest tenth is 36.0in.

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7 0
2 years ago
The model below shows the product of two fractions. Which expression does the<br> model represent?
nignag [31]

Answer:

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Step-by-step explanation:

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