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yanalaym [24]
3 years ago
13

The product of 0.6 and a number is 31.8 more than the number . Find the number

Mathematics
1 answer:
Kobotan [32]3 years ago
6 0
0.6n = n + 31.8
0.6n - n = 31.8
-0.4n = 31.8
n = 31.8 / -0.4
n = -79.5
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Answer:

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Oliver drove the first 90 miles of his journey in 1.5 hours and the remaining 120 miles in 3 hours. What was the total average s
laila [671]

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46 2/3

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Divide 90 by 1.5 because:

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3 years ago
you are riding a bicycle which has tires with a 25-inch diameter at a steady 15-miles per hour, what is the angular velocity of
motikmotik

Answer:

The angular velocity is 6.72 π radians per second

Step-by-step explanation:

The formula of the angular velocity is ω = \frac{v}{r} , where v is the linear velocity and r is the radius of the circle

The unit of the angular velocity is radians per second

∵ The diameter of the tire is 25 inches

∵ The linear velocity is 15 miles per hour

- We must change the mile to inch and the hour to seconds

∵ 1 mile = 63360 inches

∵ 1 hour = 3600 second

∴ 15 miles/hour = 15 ×  \frac{63360}{3600}

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Now let us find the angular velocity

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- The radius is one-half the diameter

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- Substitute the values of v and r in the formula above to find ω

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∴ ω =  21.12 rad./sec.

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The angular velocity is 6.72 π radians per second

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3 years ago
If the radius of a circle is 5 inches, what is the diameter of that circle? Show
vodomira [7]

Answer:

If the radius of a circle is 5 inches, the diameter is 10.

Step-by-step explanation:

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So the diameter is 10. If you want to find the radius just reciprocate the process, divide the diameter by 2 and yo will get the radius.

I really hope this helped you out. Make sure to give my answer brainliest. Have a radiant day or night ! :D

6 0
3 years ago
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