3 years ago

Which expression is equal to 5(2x^2-1)+3(7x^2+1)

Mathematics

1 answer:

vitfil [10]3 years ago

4 0

Answer:

31x² - 2

Step-by-step explanation:

5(2x²-1)+3(7x²+1) = 5*2x² - 5*1 + 3*7x² + 3 = 10x² - 5 + 21x² + 3 = 31x² - 2

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Answer: 110 horses

Step-by-step explanation:

Given

An average adult horse needs two fifth bale of hay

The farm has 44 bales of hay

Suppose n horses can be fed by the available bales of hay

So, we can write

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3 years ago

If a number’s composite form is 343, which of the following shows its exponential form as a product of prime numbers? A.7 · 49 B

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Answer:

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Step-by-step explanation:

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3 years ago

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baherus [9]

Answer:

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Step-by-step explanation:

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3 years ago

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vovikov84 [41]

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Step-by-step explanation:

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