Which expression is equal to 5(2x2 – 1) + 3(7x2 + 1)?

1 answer:

7 0

I think is 31x2<span> </span> - 2 im not shure but tell me if is true

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lyudmila [28]

Answer:

Step-by-step explanation:

Rate = (20½ pounds)/(4 hours) = (5⅛ pounds)/hour

9 hours × (5⅛ pounds)/hour = 46⅛ pounds

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3 years ago

Ostrovityanka [42]

The answer for this problem is B

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3 years ago

BaLLatris [955]

1/5 (c) since it goes up only one and then over 5

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4 years ago

yanalaym [24]

Answer:

Step-by-step explanation:

$\frac{4 x 5}{2}$

4 x 5 = 20

$\frac{20}{2}$ = 10

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ryzh [129]

Answer:

Step-by-step explanation:

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