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wlad13 [49]
2 years ago
6

Flying against the wind, an airplane travels 3200 kilometers in 5 hours. Flying with the wind, the same plane travels 6300 kilom

eters in 7 hours. What is the rate of the plane in still air and what is the rate of the wind?
Mathematics
1 answer:
Arisa [49]2 years ago
4 0

Answer:

1300

Step-by-step explanation:

6300

-3200=

1300

 

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Adding/Subtracting rational expressions
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multiplying the denominators we get:
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3/(x+7)+4/(x-8)
the common denominator is:
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thus adding the fractions we put them under the same denominator as follows:
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5 0
3 years ago
I have a roof that measures 175 ft by 45 ft. During the hurricane 11 inches of rain fell.
Nikolay [14]

Answer:

  4.1 billion

Step-by-step explanation:

1 ft = 30.48 cm

1 in = 2.54 cm

The volume of rain that fell on the roof is given by ...

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  V = (175 ft × 30.48 cm/ft)(45 ft × 30.48 cm/ft)(11 in × 2.54 cm/in)

  = 175×45×11×30.48²×2.54 cm³ = 204,412,236.336 cm³

At 20 drops per cm³, this will be ...

  20×204,412,236.336 ≈ 4,088,244,727 . . . . raindrops

About 4.1 billion raindrops fell on your roof.

5 0
2 years ago
Please help will give brainliest
ivanzaharov [21]

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Points C, A, and B are collinear. Which of the following options is another name for CA ?
Flauer [41]
AC

Same line segment just goes in the other direction.
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3 years ago
Read 2 more answers
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