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vodomira [7]
3 years ago
15

Kelly drove 385 miles to visit her friend. She drove at an average rate of 55 miles per hour.

Mathematics
1 answer:
Ksju [112]3 years ago
4 0

Answer:

B. 7 hours

Step-by-step explanation:

The formula for time (in this scenario) is t = d/s.

t - time

d - distance

s - speed

For this problem, d - 385 mi and s - 55 mph. To find the time this trip took, you would solve 385/55=7. In the end, Kelly drove for 7 hrs. Hope this helps!!

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ABC has side lenths 20, 24, and 31. Do the side lenghts form a Pythagorean triple?
Brut [27]
No they don't.
Phythagorean triple is when the sum of the squares of two numbers is equal to the square of another number.

20^2 + 24^2 = 400 + 576 = 976
31^2 = 961

20^2 + 24^2 should have been equal to 31^2 but that's not the case. So, the side's length don't form a triple.

Hope it helped!
4 0
4 years ago
How long does it take to drive 300 miles at 60 mph?
olga55 [171]
It would take 5 hours
4 0
3 years ago
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What's the length of BD and how?
Advocard [28]
I believe it is 4 or 5
7 0
3 years ago
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yawa3891 [41]

Answer:

B. 0.78

Step-by-step explanation:

0.78 would be closest to the nearest hundredth, depending on where the decimal is depends on how many numbers that come after the decimal.

Therefore 0.078 would be to the nearest thousandths and 7.8 would be to the nearest tenths.

6 0
3 years ago
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Alexeev081 [22]

Answer:

62 is your answer

Step-by-step explanation:

6 × (36 ÷ 12)² + 8, you can also write 36 ÷ 12 as a fraction, which would look like this: 36/12

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Answer: 62

8 0
2 years ago
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