3 years ago

What is the answer? -5.5(d-2)=-12.1 what is the value for d

Mathematics

1 answer:

arsen [322]3 years ago

5 0

The answer is I think B

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Daniel ran 38 laps on the track. Each lap is 1/4 mile long. How many miles did Daniel run?

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3 years ago

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jolli1 [7]

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3 years ago

Mr Patel is planning to drive 325 miles. He will stop one hour for lunch and take a 15 min rest break.

mr_godi [17]

Option D

The trip lasts for $6\frac{1}{4}\ hours$

Solution:

Mr Patel is planning to drive 325 miles

Average speed is 65 mph

He will stop one hour for lunch and take a 15 min rest break

Let us first find the time taken

$Time = \frac{distance}{speed}$

$Time = \frac{325}{65}\\\\Time = 5$

Thus he covers 325 miles in 5 hours

Also, given that, he will stop one hour for lunch and take a 15 min rest break

Therefore, total time taken for trip is:

Total time = 5 hours + 1 hour + 15 minutes

Total time = 6 hours 15 minutes

We know that,

1 hour = 60 minutes

Therefore,

$6\ hours\ 15\ minutes\ = 6 + \frac{15}{60}\ hours = 6 + \frac{1}{4} = 6\frac{1}{4}\ hours$

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3 years ago