Tuesday
October 21, 2014

Posts by LUPITA


Total # Posts: 14

Phyiscs
A wooden box with a mass of 10.0kg rests on a ramp that is inclined at angle of 25 degrees to the horizontal. A rope attached to the box runs parallel to the ramp and then passes over a frictionless pulley. A bucket with a mass of m hangs from the end of the rope. The ...
February 6, 2014

physics
A 301 kilogram piano is being lifted at a steady speed from ground level straight upward to an apartment 10.0 meters above the ground. The crane that is doing the lifting produces a steady power of 415 watts. How long does it take to lift the piano? I dont understand how to ...
November 7, 2013

geometry
A triangle has an angle that is 83 degrees and another angle that is 40 degrees. Using this information, what is the degree of the third angle of the triangle?
June 2, 2012

Algebra
Okay so the answer is 4.5 hours but not sure how is 4.5 hours.. can someone help me.! thanks
May 25, 2012

Spanish
you are correct on the rest.. but the first is not D
May 25, 2012

statistics
The data below are the ages of a random sample of 8 men in a bar. It is known that the population of ages are normally distributed with a standard deviation of 11. Determine the 93% confidence interval estimate of the population mean. 50 70 22 36 59 39 27 47
May 9, 2012

statistics
The number of cars sold annually by used car salespeople is normally distributed with a standard deviation of 18. A random sample of 310 salespeople was taken and the mean number of cars sold annually was found to be 71. Find the 94% confidence interval estimate of the ...
May 9, 2012

chemistry
Show me how to calculate the mass of 20.0 moles of He?
November 19, 2011

algebra 2
Solve by elimination Method -x-5y+z=17 -5x-5y+5z=5 2x+5y-3z=-10
December 17, 2010

algebra 2
a grocer sold a total of 126 apples, oranges, and melons one day. she sold 16 fewer oranges than three times as many apples as melons. write a system of three equations that represents how many apples, oranges, and melons the grocer sold
December 17, 2010

6th grade vocabulary
bananas and tropics both have the same ending.what are their base-words?How does -s change the meaning of their words?
August 25, 2010

6th grade vocabulary
WHAT IS THE DIFFERENCE BETWEEN S AT THE ENDOF THE TOPICS AND S AT THE END OF NEEDS
August 25, 2010

6th grade vocabulary
bananas andtropics both have the same ending. what are their base words? how
March 18, 2010

algebra!!!!
HELP ME I DONT GET IT What do you need help with?
April 3, 2007

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