05/05/22

Rotational motion problems

A kid pushes a stationarymerry-go-round, creating anacceleration of 0.135 rad/s^2.How much time does it take themerry-go-round to complete2.00 rotations?Can someone answer this thourghly please?
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12/08/21

The sum of four consecutive integers is 38. What is the value of the second number in the sequence?
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12/07/21

50 pounds to 35 pounds, what is the percent of change?
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12/04/21

How many gallons each of 30% alcohol and 5% alcohol should be mixed to obtain 25 gal of 17% alcohol?
How many gallons each of 30% alcohol and 5% alcohol should be mixed to obtain 25 gal of 17% alcohol?
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11/30/21

the price of a pair of shoes increases from $66 to $68. what is the percent increase to the nearest percent?
the price of a pair of shoes increases from $66 to $68. what is the percent increase to the nearest percent?
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11/28/21

What is the relationship between ω and f?
What is the relationship between ω and f?
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11/20/21

Use the Laplace transform to solve the following initial value problem
Use the Laplace transform to solve the following initial value problem: y" - 4y' +29y = 0 y(0) = 0, y'(0) = 5I have found the equation s^2Y - s:0 - 5 - 4(sY - 0) + 29Y = 0 I know y(t) is... more
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11/20/21

Laplace Transform of IVP
I have this equation(d^2y/dt^2) + k^2y = e^(1t) , y(0 = 0, y'(0) = 0I need to simplify Y, so far I have this:s^2Y+k^2Y = 1/(s-1)Y = (1) / (s-1)(s^2+k^2)I need to get Y in simpler forms= ( ) / (s-1)... more
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11/11/21

how do you find the exact solution of Log3 (x+2)=2
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11/11/21

Gerry packs 25 boxes in 2 hours. How many boxes can he pack in his 8-hour shift?
Please help me answer this question. Thank you
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11/07/21

You need a 50% alcohol solution. On hand, you have a 200 mL of a 20% alcohol mixture.

How much pure alcohol will you need to add to obtain the desired solution?
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11/07/21

You need a 10% alcohol solution. On hand, you have a 935 mL of a 5% alcohol mixture. You also have 95% alcohol mixture.

How much of the 95% mixture will you need to add to obtain the desired solution?
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11/07/21

Help me with Calculus
Use an appropriate local linear approximation to estimate the value of the given quantity (cos32°)
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11/06/21

Chemist math problem
Theresa Morgan, a chemist, has a 30% hydrochloric acid solution and a 55% hydrochloric acid solution. How many liters of each should she mix to get 437.5 liters of a hydrochloric acid solution with... more
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11/06/21

You need 560 mL of a 15% alcohol solution. On hand, you have a 70% alcohol mixture. How much of the 70% alcohol mixture and pure water will you need to obtain the desired solution?
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11/06/21

A collection of nickels, dimes, and quarters consist of 26 coins with a total of $ 3.00 . If the number of dimes is equal to the number of nickels, find the number of each type of coins.
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11/06/21

If Lauren has 2 more nickels than quarters and they have a combined value of 130 cents, how many of each coin does she have?
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11/05/21

The length of a rectangle is twice its width. If the perimeter of the rectangle is 54 in, find its length and width.
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11/05/21

The sides of a rectangle are in the ratio 5 : 6. If its longer side is 7.2 in, find the shorter side the perimeter, and the area of this rectangle
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11/05/21

Find the arc length of the subtending arc for an angle of 200 degrees on a circle of radius 10
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11/05/21

what is the y intercept for the equation y=-2x-2 in an ordered pair
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11/05/21

Two trains leave towns 1212 kilometers apart at the same time and travel toward each other. One train travels 17 kmh slower than the other. If they meet in 4 hours, what is the rate of each train?
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11/05/21

I think of a two digit number. The ones digit is 6 more than the tens digit. The number is 12 more than the product of its digits. Find the original number.
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11/05/21

4 is what percent of 8
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11/05/21

How do u do it I’m confused

when Ethan was 9 years, he was 59 inches tall. Ethan is now 12 years old and he is 62 inches tall. determine the percent of the increase in Ethan’s height to the nearest tenth
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