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masya89 [10]
3 years ago
8

Simplify the polynomial

Mathematics
1 answer:
zimovet [89]3 years ago
3 0

Answer:D

Step-by-step explanation:

-(5j²+2j-7)-(3j+2)=-5j²-2j+7-3j-2= -5j²-5j+5

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Step-by-step explanation:

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Answer:

speed=\frac{195\ miles}{3\ hours}

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Step-by-step explanation:

we know that

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<em>Isolate 3 hours</em>

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