3 years ago

Please help on my hw

Mathematics

1 answer:

frosja888 [35]3 years ago

8 0

Answer:

b. The solution is a non empty set.

Step-by-step explanation:

There are no common elements.

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a water wheel has a radius of 18 feet. The wheel is rotating at 10 revolutions per minute. Find the linear speed, in feet per

Yuri [45]

Answer:

The linear speed is $1,130.4\frac{ft}{min}$

Step-by-step explanation:

step 1

Find the circumference of the circle

The circumference is equal to

$C=2\pi r$

we have

$r=18\ ft$

$\pi =3.14$

substitute

$C=2(3.14)(18)$

$C=113.04\ ft$

step 2

Find the linear speed in feet per minute

we know that

The wheel is rotating at 10 revolutions per minute

Convert revolutions to feet

Remember that

One revolution is equal to the circumference of the circle

10 revolutions is equal to

$(10)113.04=1,130.4\ ft$

therefore

The linear speed is $1,130.4\frac{ft}{min}$

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3 years ago

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AlekseyPX

Answer:

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Step-by-step explanation:

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just olya [345]

Answer:

Answer: The average speed is 54 miles per hour.

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ludmilkaskok [199]

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PQRS has vertices P(0, 0), Q(4, 2), and S(4, ␣2). Its diagonals intersect at H(4, 0). What are the possible coordinates of R for

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