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3 years ago

14

Robert went to visit his friend who lives 170 kilometers away. it took him 2.5 hours to drive to his friends house. at what spee

d did he drive

1 answer:

strojnjashka [21]3 years ago

3 0

I think it was 68 miles per hour.......... it is distance/time=speed.... right?

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When solving the equation 4(3x^2 +2)-9=8x^2+7. Emily wrote 4(3x + 2)=8x^2 + 16 as her first step. Which property justifies Emily

vfiekz [6]

Hello :
4(3x² +2)-9=8x²+7 = <span>4(3x^2 +2)-9 +9 =8x²+7 +9
= </span><span> 4(3x² + 2)=8x² + 16
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lidiya [134]

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Step-by-step explanation:

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2 years ago

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lidiya [134]

Answer:

f(-2) = 0

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Step-by-step explanation:

f(-2) will lie in the function $f(x) =x^2 - 4$

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LuckyWell [14K]

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Step-by-step explanation:

all you have to do is divide the two bottom numbers on each problem and the answer to the problem will be the same on top and bottom

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