3 years ago

Combine Like Terms : 7x^3+4x^2-x^3+6x+5x-4x^3

Mathematics

1 answer:

larisa86 [58]3 years ago

3 0

Answer:

2x^2+4x^2+11x

Step-by-step explanation:

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193.2

Step-by-step explanation:

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3 years ago

It is advertised that the average braking distance for a small car traveling at 65 miles per hour equals 120 feet. A transportat

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Answer: $H_0:\mu=120$

$H_A:\mu\neq120$

Step-by-step explanation:

Let $\mu$ denotes the average braking distance for a population of small car.

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i.e. $\mu=120$

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i.e. $\mu\neq120$

Since '=' signs is contained by Null hypothesis and alternative hypothesis is against it.

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$H_0:\mu=120$

$H_A:\mu\neq120$

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Step-by-step explanation:

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