09/22/15

Among 500 freshmen pursuing a business degree at a university, find the probabilities if...
500 Freshman pursuing a business degree at a university, 336 are enrolled in an economics course, 226 are enrolled in a mathematics course, and 128 are enrolled in both an economics and a... more
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09/22/15

Help with Statistics
Could someone assist me with this please I'm completely lost   Provide an example of what differentiates a “Probability” from a “Probability Distribution”. In this example identify both the... more
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09/18/15

On a particular section of a CPA exam for which the scores were normally distributed with a mean of 700 points and a standard deviation of 70 points.
On a particular section of a CPA exam for which the scores were normally distributed with a mean of 700 points and a standard deviation of 70 points.      What percent of the students scored... more
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09/18/15

CuS, Ag2SO4, Al(ClO3)3, Co(OH)2, PbCO3.
1A. Give the names of the cation in each of the following compounds: CuS , Ag2SO4 , Al(ClO3)3 , Co(OH)2 , PbCO3 .   2A. Give the charges of the cation in each of the following compounds: CuS ,... more
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09/18/15

A theatre has 20 seats in the first row,22 in the second row,and 24 in thew third row,what is the independent varible
this is a word problem,and i dont know the answers  
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09/17/15

Calculating production cost
The cost of production for a box of markers is $500 to set up the equipment plus $0.35 per box for materials. A box of markers sells for $2.85. How many boxes of markers must be sold for the... more
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09/17/15

amount invested to fund B and A.
a total of $17000 is invested into two mutual funds for 1 year the return on fund A is 3% ,return on fund B is 2% and total return is 407.50 how mu is invested into each fund.
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09/17/15

How do I find a perpendicular line to y=-1/2x-2
how do I find a perpendicular line to this equatio?
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09/17/15

The profit for a company in February was 9% lower than it was in January. The total profit for the two months was $125,000. Find the profit for each month
 The profit for a company in February was 9% lower than it was in January. The total profit for the two months was $125,000. Find the profit for each month.    January =? February =?
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09/17/15

What are the dimensions of the base of each footing?
The problem     Sam is filling holes with cement to make footings for his deck. Each hole is 1 1/4 feet deep and has a square base. Sam needed 22.5 cubic feet of cement to fill eight holes. What... more
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09/17/15

Alexis, Bart, Chuck, and Dariah all called in to a radio show to get free tickets to a concert. In how many different ways could there calls have been received?
I dont understand. It is not making sense.
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09/17/15

for the given functions f and g, find the requested function and state its domain
f(x)=6x-3 ; g(x)=2x-4
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09/17/15

How many adults and pensioners bought tickets if all the seats were filled?
A cinema has 100 seats. Adults cost £10 and pensioners cost 50p. The cinema took £449 on one day. How many adults and how many pensioners bought tickets if all the seats where filed?
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09/16/15

How do you solve investments problems?
A rollover IRA of $18,250 was invested in two mutual funds, one earning 12% interest and the other earning 10%. After 1 year, the combined interest income is $1,956. How much was invested at each... more
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09/16/15

How do i solve mixtures in word problems?
A photographer wants to mix 2 liters of a 7% acetic acid solution with a 12% solution to get a 9% solution. How many liters of 12% solution must be added?
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09/16/15

width and length were two consecutive odd integers. if the product of the length and width is 899, what were the dimensions of the piece of plywood?
to repair his kitchen subfloor john cut a rectangular piece of plywood such that the width and length were two consecutive odd integers. if the product of the length and width is 899, what were the... more
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09/15/15

a change purse has an equal amount of pennies, nickles, and dimes. The total value of the coins is $1.44. How many coins of each type does the purse contain?
I don't understand what to do to set this up. Once word problems are set up, I have no trouble solving them, so how do I set up this problem?
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09/15/15

algebra question
One newton equals about 100 g on Earth.  How many newtons would a football weigh if it had a mass of 400 g?  Show your work.
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09/15/15

Lateral Surface Area
A right circular cone is generated by revolving the region bounded by y = 5x/12, y = 5, x = 0, about the y-axis. Find the lateral surface area of the cone.
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09/15/15

What is the tail length of an alligator whose body length is 6.6 feet?
An alligator's tail length T, varies directly as its body length,B. An alligator with a body length of 7.7 feet has a tail length of 5.6 feet. What is the tail length of an alligator whose body... more
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09/15/15

An estate of $611,000 is left to three siblings. The eldest receives
 An estate of $611,000 is left to three siblings. The eldest receives2 times as much as the youngest. The middle sibling receives?$11,000 more than the youngest. How much did each? receive?
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09/15/15

What is the equation of the line that passes through (–2, 3) and is parallel to 2x + 3y = 6?
What is the equation of the line that passes through (–2, 3) and is parallel to 2x + 3y = 6?
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09/15/15

Snow on a roof and water in gallons when it melts
you received 7.87 inches of snow in a storm. your roof is covered in snow. the area of the roof is 400 sq ft. that is 122 square meters or 122000 square cm. Calculate the weight of the snow in... more
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09/15/15

It doesn't fit so I will put it below but I am so confused on this question
The displacement (in feet) of a particle moving in a straight line is given by s=1/2t^2-6t+23, a)Find the average velocity over each time interval a) [4,8], b) [6,8], c) [8,10] d) [8,12]b)Find the... more
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09/14/15

a question from time and speed..
Bus travels from X to Y for 125 km in 5 hours. Car travels from Y to Z at the rate of 48 kmph. Scooter travels from Z to A for 2 hours. Average speed of bus, car, scooter is 34 kmph. Find the... more
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