Total # Posts: 46
A trough is 15 ft long and 4 ft across the top. Its ends are isosceles triangles with height 3 ft. Water runs into the trough at the rate of 2.5 ft3/min. How fast is the water level rising when it is 0.89 ft deep? Give your answer correct to 3 decimal places.
December 10, 2016
Donations to an annual fundraiser are 15% greater this year than last year. Last year donations were 10% greater than the year before. The amount raised this year is $10,120. How much was raised two years ago?
October 6, 2016
One leg of an isosceles right triangle is 14cm long. Find the length of the hypotenuse. C^2=a^2+b^2 C^2=14^2+14^2 392=14^2+14^2? What do I write? Because 14 square root 2 doesn't make sense.
May 3, 2016
During a baseball game, a batter hits a pop- up to a fielder 72 m away. The acceleration of gravity is 9.8 m/s^2. If the ball remains in the air for 5 s, how high does it rise?
November 12, 2015
yeah why are you even in this websites you said that your dad is best friend of the principal and you are in this website are you even from connection academy cuz i don't believe you and don't say that he cheated cuz he just needed help on something :D (oh and the ...
February 2, 2015
Check my answers, please? If you're an eligible woman in search of Mr. Right, chances are that you're most likely to be impressed by a man's A. thrift and money-management skills. B. ageif he's several years your junior. C. record of steady employment. D...
January 30, 2015
The Amount of filling a half-liter (500ml)soft drink bottle is normally distributed. The process has a standard deviation of 5ml. The mean is adjustable. A. Where should the mean be set to ensure a 95% probability that a half-liter bottle will not be under filled? B. A 99% ...
April 11, 2014
A runner is moving at a constant speed of 8.00 m/s around a circular track. If the distance from the runner to the center of the track is 28.2 m, what is the centripetal acceleration of the runner?
March 23, 2014
A car (mass 800 kg) is traveling with a speed of 37 mi/h. A bug (mass 8.7 mg) is traveling in the opposite direction. What speed would the bug need in order to slow down the truck by one mile per hour in a big bug splash (i.e., final speed 36 mi/h)?
November 2, 2012
Determine the condition on coefficients "a subscript i" so that the linear combination "Summation symbol from i=1 to n for 'a subcript i'times 'X subscript i'" is an unbiased estimate of E[X].
April 29, 2011
25.0 mL of a NaCl solution (concentration unknown) was found to react with 20 drops of the chloride test solution from the PU Chloride Test Kit. Calculate the mass of NaCl (in grams) in this solution. Calculate the mass of NaCl required to prepare 0.250 L of a NaCl solution ...
October 3, 2010
Help with American History
How did Revolutionary ideology challenge the way minorities were treated in America? What changes in this treatment resulted from this challenge, and why did some minorities find their circumstances improved while others did not?
August 15, 2009
Jo has 37 coins (all nickels, dimes and quarters) worth $5.50. She has 4 more quarters than nickels. How many of each type of coins does she have? d=#dimes n=#nickels q=#quarters. ============== d+n+q=37 n+4=q 0.1d + 0.05n + 0.25q = 5.50 ============================= three ...
January 1, 2007