Anonymous asked 11/8/2010 To estimate the height of a building, a stone is dropped from the top of the building into a pool of water at ground level. How high is the building if the splash is seen 5.6 seconds after the stone is dropped?
sway grimsley asked 11/3/2010 Lola enjoys her job at Go-Stop where she earns $8.75 per hour. How much will she earn for 15 hours of work each week over a 6-week period?
Melanie Gross asked 11/2/2010 What three techniques can be used to solve a quadratic equation?Demonstrate these techniques on the equation "12x2 - 10x - 42 = 0."
Anonymous asked 10/24/2010 Three class strengths A: B: C is 4:5:6 if each class strength is increased by 15 then the ratio is 6:7:8 when what is the total strength before increasing?
Anonymous asked 10/14/2010 Tim bought a waffle maker for $14 and plans to make money selling waffles for 65 cents each. If the ingredients cost 57 cents per waffle, what is the minimum number of waffles Tim must sell to start making a profit?
Anonymous asked 10/11/2010 In a survey of 24 college students, it was found that 16 were taking an English class, 17 were taking a math class, and 10 were taking both English and math. How many students were taking a math class only?
Anonymous asked 9/22/2010 Gold costs $35 per ounce. What does the gold in an 8-pound bar cost? (note: Gold is weighted in troy weight, so 1 pound = 12 ounces.)
Anonymous asked 9/21/2010 Brenda Bradford of Bradford Shoes makes $1,300 per month plus a 2.5% commission on her sales. What is her monthly gross pay if she sells $4,290 worth of shoes?
Anonymous asked 9/16/2010 John is 13 years less than 3 times as old as his son. Six years ago, he was 14 years more than twice as old as his son was then. How old is John?
Anonymous asked 9/14/2010 What is your average velocity if you drive a distance of 150 km at a speed of 40 km/h,then the same distance at a speed of 60 km/h? Answer in units of km/h
Anonymous asked 9/3/2010 There r ten spots in library and each spot has 4 tables and ten readers ar there . 10 student come into liberary and want 2 study in how many ways that they sit in d liberary so that no chair would be blank?
Anonymous asked 8/27/2010 A school is sending 11 children to a camp? If 20% of the children in the school are first graders, and the 11 children are selected at random, what is the mean and variance of the number of first graders chosen?
Anonymous asked 8/25/2010 Systems of equations can be solved by graphing or by using substitution or elimination. What are the pros and cons of each method? Which method do you like best? Why?
Anonymous asked 8/21/2010 Only 2% students had solve this CAT que in exam... 5+3+2=151012 9+2+4=183662 8+6+3=482466 5+4+5=202504 then 7+2+5?
