3 years ago

Please show work thank you

Mathematics

1 answer:

Ne4ueva [31]3 years ago

8 0

Answer: 70 mph

Step-by-step explanation:

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(x^2–x–4)multiplied by(x–5)

Sergio [31]

$(x-5)(x^2-x-4) =x^3-6x^2+x+20$

Step-by-step explanation:

Given polynomials are:

$x^2-x-4\\and\\x-5$

Both polynomials have to be multiplied. We will use distributive property for the said purpose

So,

$(x-5)(x^2-x-4)\\=x(x^2-x-4)-5(x^2-x-4)\\=x^3-x^2-4x-5x^2+5x+20$

Combining alike terms

$=x^3-x^2-5x^2-4x+5x+20\\=x^3-6x^2+x+20$

Hence,

$(x-5)(x^2-x-4) =x^3-6x^2+x+20$

Keywords: Polynomials, Multiplication

Learn more about polynomials at:

#LearnwithBrainly

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2 years ago

Hep me find the measure of angle y

sergiy2304 [10]

Answer:

130

Step-by-step explanation:

first find angle C, which is 180-90-40=50

angle Y=180-50=130

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2 years ago

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Cerrena [4.2K]

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Step-by-step explanation:

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What is 4/5 of $45.00

Alex73 [517]

I did this in my head but the answer is $36 45/5 is 9 9*4 is 36. And if you add another it totals to 45. Thus the answer is $36.

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2 years ago