03/22/16

A $25 item costs $17.50 to make. Each $10 of sales earns how dollars in profit?
A $25 item costs $17.50 to make. Each $10 of sales earns how dollars in profits?
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03/22/16

Which is the smallest ratio 3 to 4,2/3, 10:12,2 to 1
Which is the smallest ratio 3 to 4,2/3, 10:12,2 to 1
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03/22/16

what is the z-score for which the area to its right is .92
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03/22/16

Word Problem
a popular brand of soup comes in cans that are 2 5/8 inches in diameter and 3 3/4 inches tall. each such can has a paper label that covers the entire side of the can. If you remove the label from a... more
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03/21/16

Sound travels approximately 331m/s in air. If a shepherd whistles and his dogs hear it 3.4s later, what is the distance between the shepherd and the dogs?
Sound travels approximately 331m/s in air. If a shepherd whistles and his dogs hear it 3.4s later, what is the distance between the shepherd and the dogs?
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03/21/16

Read the problem Round all decimal answers to 3 decimals place if necessary
The heights of students are normally distributed with an average height of 65 inches and a standard deviation of 3.5 inches. If a student falls outside a 95% interval centered around the mean the... more
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03/21/16

30% of some number is 24 ? Find the number
30% of some number is 24 ? Find the number 
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03/21/16

Drinking water
My doctor tells me that I need to drink half of my body's weight of water a day  (on a normal day) and I weight 115 lbs. I need to drink about every 30 min no more than 2 oz. at a time  If I'm up... more
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03/21/16

Permutation or Combination? or something else?
How would this problem be solved?   During the Hunger Games in the book, 24 contestants fight to the death until only 1 is standing.  This last person standing is declared the winner.  How many... more
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03/21/16

Find the Y-intercepts and X-intercepts of F(X)
f(X)= (X-3)3-5
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03/21/16

what is the unit force used in gravity calculations?
what is the unit force used in gravity calculations And why is it called this?
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03/21/16

triagnle word problem
the base of a triangle exceeds the height by 4 feet. if the area is 30 square feet, find the ength of the base and the height of the triangle
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03/21/16

Find all the X-intercepts of each polynomial
f(X)= 8x3+512
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03/21/16

0 0 The bass in Clear Lake have weights that are normally distributed with a mean of 2.4 pounds and a standard deviation of 0.8 pounds.
Determine the weights that delineate the middle 95% of the bass in Clear Lake. Enter the interval endpoints below in (f) and (g).(f) The left endpoint of the interval isRound your answer to the 2nd... more
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03/21/16

determining the height in the attic of the house.
The rise to run ratio of the roof of a house determines the steepness of the roof. The rise to run ratio of the roof is 3 to 4. Determine the maximum height in the attic of the house if the house... more
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03/21/16

What is the fewest number of marbles that Jeff could have?
What is the fewest number of marbles that Jeff could have?Here are the clues:When he puts them in groups of 3, there are no marbles remaining.When he puts them in groups of 2 or 5, there is one... more
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03/20/16

the sum of seven and a number is 52.
how to translate it to numeric expresson?
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03/20/16

How to simplify 3^(5/2) — v48 ?
I know you have to make the bases the same but I need further help. 
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03/20/16

Need some help on this problem thanks very much
a printer knows that a page of print contains 1291 words if large type used 1541 words of type is used.  A document containing 23070 words fills exactly 16 pages.  find how many pages are in each
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03/20/16

5x^2 - 6y^2 - 30x - 12y + 9 = 0. Put in standard form and state the center and the vertices
Help please
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03/20/16

Y varies inversely with x. When y=3.6, x = 1.2. what is the value k, the constant of inverse variation?
I'm trying to solve this practi proble it makes no sense to me.
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03/20/16

The length and width of a rectangle are consecutive even integers. The perimeter is 76 meters. Find the length and width.
The length is _____ meters long while the width is _______ meters.
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03/20/16

Solve the system. State whether the system is inconsistent or has infinitely many solutions...
Solve the system. State whether the system is inconsistent or has infinitely many solutions. If the system has infinitely many solutions, write the solution set with y... more
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03/20/16

3x^3-7x^2+8x+4/(x-2)^2(x^2+4)
Hi. Can someone explain to me how to do this partial fraction . 
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03/19/16

I NEED HELP PLEASE !!!!!!!
The volume of a rectangular prism is 450 in3 and its surface area is 390 in2. The height of this figure is 21/2 times that of its length, and the width is 1/3 its height. What are the dimensions of... more
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