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Alinara [238K]
3 years ago
8

Barbara babysat for 3 1/4 hours and earned $91.50. What is her hourly rate?

Mathematics
2 answers:
svetlana [45]3 years ago
6 0
$28.15 is the hourly rate
kaheart [24]3 years ago
5 0
91.50 divided by 3.25 = the answer.
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Give complete answers that show all steps! :)
nasty-shy [4]

Answer:

Rise: 200.25

Descent 300.2

Minutes

Step-by-step explanation:

A)        We are using the Pythagorean theorem for the climb and descent. (a^2 + b^2 = c^2)

For climb a = 200, b = 10 c = ?

200^2 + 10^2 = c^2 = 40000 + 100 = c^2 = 40100 = c^2

c = about 200.25

For the descent: a = 300, b = 10

300²+10² = c²

90000 + 100 = c²

90100 = c²

c = about 300.2

B) If a plane is going 600 km/h and it goes about 10 km that means the plane is only going for 10/600 of an hour.

10/600 is 1/60, so only a couple minutes difference.

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3 years ago
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The area of a square is A=s2nd power,

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Kevin drove 357 miles using 14 gallons of gas. At this rate, how many miles would he drive using 16 gallons of gas?​
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Answer:

Kevin could drive 408 miles using 16 miles of gas.

Step-by-step explanation:

357 (1/14) = 25.5

25.5 (16) = 408

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