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Dennis_Churaev [7]
3 years ago
11

Which values of A and B make the following equations true?

Mathematics
1 answer:
Korolek [52]3 years ago
5 0
<span>(5x^7 y^2)(-4x^4 y^5) =-20x^a y^b
</span><span>
solve this:
(5x^7 y^2)(-4x^4 y^5)
= -20 x^(7 + 4) y^(2 + 5)
= -20 x^11 y^7

answer

</span>A) a=11, b=7
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Answer:

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Step-by-step explanation:

As per the question,

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