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3 years ago

Help plz I will give brainliest!!!

Mathematics

2 answers:

posledela3 years ago

7 0

Answer:

width = 6k², length = 5k + 1

Step-by-step explanation:

Given

A = 30k³ + 6k² ← factor out 6k² from each term

= 6k²(5k + 1)

Since area = width × length , then

width = 6k² and length = 5k + 1

zysi [14]3 years ago

6 0

Answer:

30k³ + 6k²

= 6k²(5k + 1)

because the width is equal to the greatest common monomial factor of 30k³ and 6k²

=> the width = 6k²

=> the length = 6k²(5k+1)/6k² = 5k + 1

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

You start noticing that for x = 9 g(x) =0, and for x= -7 the function isn't defined.

That splits the number lines in 3 areas: x<-7; -7<x<9, and x>9. (notice the strict inequalities since we already discussed the breaking points.

Let's try a point in each interval, namely, since i like the values, -10, 0, 10.

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We have all the informations we need. The value we need are $x< -7 ; x\geq9$

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