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August 21, 2014

Search: mathss

Number of results: 5

mathss
How do i solve the following equations giving the answers either exactly or to 3 significant figures? a)3x + 5 = 2x 1 b)(x^2 + 9) / 2 = 10 c)x^2 = 4 (x 1) d)2^x = 5 e)3^x+1 = 7 What do you not understand about thse euqations. They seem pretty simple. Please be dtailed.
August 13, 2007 by kat

mathss
a combination lock has three dials, each numbered from 1-9. each combination consists of 3 digits, one from each dial. how many different combinations are possible? please help me i tried this for 10 mins i cant figure it out. thanks
August 5, 2009 by Julia Ten

mathss
Can someone explain how to do this: There are 100 boys , 80 girls, and 20 teachers. Out of these, how many ways can 2 girls, 2 boys and 1 teacher (all together in a group of 5) be chosen?
August 19, 2008 by Rebekah

mathss
Raoul wants to create a weekly schedule for going to the gym. He wants to go to the gym the same three days each week, and he wants there to be at least one day in between each of his visits. How many different ways can Raoul schedule his weekly gym visits?
April 29, 2013 by Anonymous

mathss
If x thousand dollars is spent on labor and y thousand dollars is spent on euqpment,The output of a certain factory will be Q(x,y)=2x^2+y^2+6y units.If 120,000 dollars is available,how should this be allocated between labor and equipment to generate the largest possible output
May 3, 2014 by tolasa

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