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LiRa [457]
3 years ago
11

A jet plane traveling at 550 mph overtakes a propeller plane traveling at 200 mph that had a 4 hour head start. How far from the

starting point are the planes?
Mathematics
1 answer:
Orlov [11]3 years ago
8 0
The plane traveling 200 mph, started 4 hours earlier.

As at when they meet, let the 550 mph, have traveled for x hours.

The 200 mph would have traveled (x + 4) hours, since it started 4 hours earlier.

As at when they met, the distance covered is the same:

Distance = Speed * hour

550x = 200(x + 4)

550x = 200x + 200*4

550x = 200x + 800

550x - 200x = 800

350x = 800

x = 800/350

x = 16/7 hours.

The distance travelled = 550x = 550 * 16/7 = 8800/7 miles

The distance = 8800 / 7 miles  or ≈ 1257.14 miles

Hope this explains it.
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if you have budgeted 12% of your monthly income for groceries how much can you spend on groceries if you earn 950 bi-weekly
Leviafan [203]

Answer:

$247

Step-by-step explanation:

It depends.

Most months, you will earn $1900, so your budget will be ...

... 12% × $1900 = $228.

In one month out of 6, you will earn $2850, so your budget can be ...

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If you average out your earnings over 6 months, and compute your budget on that basis, then your monthly grocery budget is ...

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DaniilM [7]

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5 0
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gladu [14]

Answer:

Which means that this equation is also true: 8/9 > 1/9

Step-by-step explanation:

Is 8/9 less than 1/9? Is 8/9 smaller than 1/9? These are the same questions with one answer.

To get the answer, we first convert each fraction into decimal numbers. We do this by dividing the numerator by the denominator for each fraction as illustrated below:

8/9 = 0.889

1/9 = 0.111

Then, we compare the two decimal numbers to get the answer.

0.889 is not less than 0.111.

Therefore, 8/9 is not less than 1/9 and the answer to the question "Is 8/9 less than 1/9?" is no.

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Answer:

It is A

Step-by-step explanation:

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