3 years ago

21x^5y^4-18x^7y^3+15x^2y^5

1 answer:

5 0

Do you want us to answer or simplify?

Simplify:=−18x^7 y^3 + 21x^5 y^4+ 15x^2 y^5

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rusak2 [61]

to write them both with a common denominator, we simply <u>multiply one by the other's denominator,</u> so let's proceed,

$\bf \cfrac{7}{9}\cdot \cfrac{3}{3}\implies \boxed{\cfrac{21}{27}}\qquad \qquad \qquad \cfrac{2}{3}\cdot \cfrac{9}{9}\implies \boxed{\cfrac{18}{27}}$

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3 years ago

PilotLPTM [1.2K]

I believe it's the second answer, where "the test contains 10 3-point questions and 14 5-point questions."

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valina [46]

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Archy [21]

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omeli [17]

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3 years ago