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Akimi4 [234]
3 years ago
6

The rectangle below has an area of 15k4 +35k3+20k2 What is the width and length

Mathematics
2 answers:
jeka943 years ago
6 0

Answer:

Step-by-step explanation:

We know area of a rectangle is xy where x and y are its dimensions.

A=xy

If we factor the area we will get the dimensions.

A=15k^4+35k^3+20k^2

(this can be factored in many ways to produce the same area, the answer choices you are given can be any given combination of factors.)

A=15k^4+15k^3+20k^3+20k^2

A=15k^3(k+1)+20k^2(k+1)

A=(15k^3+20k^2)(k+1) (this is one way)

A=5k(3k^2+4k)(k+1)

A=(3k^2+4k)(5k^2+5k) (and another way)

Either expression would give you width and length (or length and width) as they all produce the area of the original equation.

Mila [183]3 years ago
5 0

Answer:

the answer is 5

Step-by-step explanation:

it is right jk

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