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Lina20 [59]
3 years ago
12

every day amy travels 30 miles one-way to work. The park-and-ride where she catches the train is 5 miles from her home. The aver

age speed of the train is 15 mph faster than the average speed in her car. assuming she has no wait time for the train, her one-way trip takes 45 minutes. Find the speed of the car.
Mathematics
1 answer:
Alenkasestr [34]3 years ago
3 0

Answer:

Speed= 0.6666667 miles per hour

Step-by-step explanation:

You can find the average speed of an object if you know the distance traveled and the time it took. The formula for speed is speed = distance ÷ time. To work out what the units are for speed, you need to know the units for distance and time.

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5 0
3 years ago
Find the length of each arc<br> r=13 ft x=90 degrees
VladimirAG [237]

Answer:

13\pi/2

Step-by-step explanation:

The formula of the circumference of a circle is 2\pi r.

The length of an arch can be found by using the ratio of circumference to the arc.

First, find the circumference of the circle:

2\pi *13=26\pi

Then you find the ratio:

The length of the arc is 90/360, which is 1/4, of the circumference.

Finally, find the length of the arc:

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I hope this helps :)

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3 years ago
1,873 is roundes to the nearest thousand is
Serjik [45]
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5 0
3 years ago
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A wheel for Lisa's bike has a diameter of 24 inches. What is the circumference, C, in inches? Use 3.14 for π
julsineya [31]

Answer:

75.36 inches

Step-by-step explanation:

C = π·d

C = 3.14(24)

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2 years ago
Martha constructs the table below to show the relationship between her cell phone's age and the amount of time it takes to charg
Alexeev081 [22]

Answer:

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