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disa [49]
2 years ago
7

Diameter of wheel of car is 35 cm . how much distance will it cover in 1000 revolution.

Mathematics
1 answer:
kirill115 [55]2 years ago
7 0

Answer: 35000π cm.

Step-by-step explanation:

First find circumference

Circumference = 2 × π × radius

Circumference = 2 × π × ( diameter / 2 )

Circumference = 2 × π × ( 35 / 2 )

Circumference = 35 × π cm

Now,

1 revolution = 1 circumference

1000 revolution = 1000 circumference

1000 revolution = 1000 × (35 × π)

1000 revolution = 35000π cm.

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We will see that the probability of x taking on a value between 75 to 90 is P = 0.5

<h3>How to get the probability?</h3>

We know that x is a continuous random variable uniformly distributed between 65 and 85.

This means that the probability that x value y in the range is such that:

1 = P(y)*(85 - 65) = P(y)*20

1/20 = P(y).

Now, the probability of x taking a value between 75 and 85 is:

P(75 to 85) = (1/20)*(85 - 75) = 10/20 = 0.5

And the probability between 85 and 90 is zero (because the maximum value that x can take is 85, so this part does not affect).

Then we conclude that the probability of x taking a value between 75 to 90 is:

P(75 to 90) = P(75 to 85) + P(85 to 90) = 0.5 + 0 = 0.5

If you want to learn more about probability, you can read:

brainly.com/question/251701

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1 year ago
Points D, E, and F are on circle C and EF ≅ DF. What is the measure of ∠CDF?
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The answer is 

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If g (x) = 1/x then [g (x+h) - g (x)] /h
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Step-by-step explanation:

If g(x) = \dfrac{1}{x}, then g(x+h) = \dfrac{1}{x+h}. It follows that

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Technically we are done, but some more simplification can be made. We can get a common denominator between 1/(x+h) and 1/x.

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Now we can cancel the h in the numerator and denominator under the assumption that h is not 0.

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