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Neporo4naja [7]
3 years ago
10

Evaluate the function. f(x) = –22 + 8x Find f(-7)

Mathematics
1 answer:
Vinvika [58]3 years ago
5 0

Answer:

-78

Step-by-step explanation:

f(x) = -22 + 8x

f(-7) = -22 + 8 (-7)

= -22 + -56

= -78

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marta [7]

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Option C is the right answer

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3 years ago
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A scientist studying earth's rotation determines that a specific location on earth's equator travels about 40,000 kilometers in
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Answer:

Step-by-step explanation:

Discussion

The first thing you have to do is convert km to miles

Formula

1 mile = 1.6 km

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Solution

1.6*x = 1 * 40000                  Divide by 1.6

x = 40000/1.6

x = 25000 miles

             

Answer Part 1

The distance covered is 25000 miles

Discussion Part 2

That's the distance covered in a day. Now we need to convert that to speed. The time (in hours) for 1 day is 24 hours.

Givens

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t = 24 hours

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Solution

s = d/t

s = 25000 / 24

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7 0
2 years ago
Abigail colors 80% of the total shapes on her paper. She colors 36 shapes. Enter the number of shapes on Abigail's paper.
mestny [16]

Answer:

Step-by-step explanation:

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\frac{80}{100} = \frac{36}{N}

where N is the total number of shapes on Abigail's paper.

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Next, let's multiply both sides by 100:

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3 0
3 years ago
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Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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