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Tatiana [17]
3 years ago
9

If there are 1600 meters in one mile, how fast is 5 meters per second in miles per hour?

Mathematics
1 answer:
Genrish500 [490]3 years ago
7 0

Answer:

40 meters per second.

Step-by-step explanation:

If there are 1600 meters in one mile, there are 144,000 meters in 90 miles meaning 90 mph is 144,000 meters per hour.

There are 3,600 seconds in an hour so there would be

144,000 meters ÷ 3,600 seconds = 40 meters per second.

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I REALLY NEED HELP WORTH 10 POINTS URGENT!!!!!
polet [3.4K]

Answer:

(f\circ g)(4)=31

Step-by-step explanation:

<u>Composite Function</u>

Given f(x) and g(x) real functions, the composite function named fog(x) is defined as:

(f\circ g)(x)=f(g(x))

For practical purposes, it can be found by substituting g into f.

We have:

f(x)=3x+1

g(x)=x^2-6

Computing the composite function:

(f\circ g)(x)=f(g(x))=3(x^2-6)+1

Operating:

(f\circ g)(x)=3x^2-18+1

Operating:

(f\circ g)(x)=3x^2-17

Now evaluate for x=4

(f\circ g)(4)=3(4)^2-17=48-17

\boxed{(f\circ g)(4)=31}

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3 years ago
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