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Leto [7]
3 years ago
9

The perimeter of a square pool is 15x + 3. How long is each of the pool?

Mathematics
1 answer:
Zigmanuir [339]3 years ago
3 0

the answer is that each side is 6x feet long

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If he has $75 and need $93 to make the purchase, he needs to find the difference between what he needs and what he has:

     93 - 75 = 18

He needs to borrow $18 to make the purchase.

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What is the completely factored form of f(x)=x3+5x2+4x−6?
Gre4nikov [31]
f(x)=x^3+5x^2+4x-6
f(-3)=(-3)^3+5(-3)^2+4(-3)-6=0\implies x+3\text{ is a factor of }f(x)

Synthetic division yields

-3  |  1   5   4   -6
.    |      -3  -6    6
- - - - - - - - - - - - -
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which translates to

\dfrac{x^3+5x^2+4x-6}{x+3}=x^2+2x-2

with remainder 0. Now by the quadratic formula,

x^2+2x-2=0\implies x=\dfrac{-2\pm\sqrt{2^2-4(1)(-2)}}2=-1\pm\sqrt3

and so

f(x)=x^3+5x^2+4x-6=(x+3)(x-(-1+\sqrt3))(x-(-1-\sqrt3))
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3 years ago
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given that x and y are proportional, they can be expressed as y = rx, where r is the proportionality constant. Thus, we can solve for r by doing y/x in any given point.

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The way to multiply fractions include:

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<h3>What are fractions?</h3>

It is important to note that fractions are part of whole numbers.

Fir example, to multiply 2/3 by 1/5 will be:

= 2/3 × 1/5

= 2/15

In conclusion, one has to multiply the numerator and them multiply the denominator.

Learn more about fractions on:

brainly.com/question/17220365

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1 year ago
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Answer:

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Step-by-step explanation:

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3 years ago
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