juana

A cooling fan is turned off when it is running at 880 . It turns 1300 revolutions before it comes to a stop. What was the fan's angular acceleration, assumed constant? How long did it take the fan to come to a complete stop?

The tires of a car make 58 revolutions as the car reduces its speed uniformly from 92 to 33 . The tires have a diameter of 0.86 . What was the angular acceleration of the tires? If the car continues to decelerate at this rate, how much more time is requir...

33 1/3% of what number is 26.5?

66 2/3% of what number is 76.2

$63 is what % of $84?

what % of 480 is 270?

I Think of a number. If i subtract 8 from it and multiply the difference by 3 the result is 21. What is the number i am thinking of?

so I'm factoring quadratics and this is the problem; 2x^2-50 you would multiply a(c) which would just give me -100 but I don't know what to do after this.

wha are the relative numbers of h3o+ and oh ions in an acidic, a basic, and a neutral solution?

24.0g CH4 * 1mol CH4/16.04gCH4 * 1mol O2/1molCH4 = 1.5 MOL O2

The answer is supposed to be 15

Shea earns $8 per hour for the first 40 hours she works in a week. For any additional hours after that, she earns $12 per hour for that week. Which solution best represents the number of hours, h, Shea worked this week if she earned more than $380?