06/18/15

An inventory of $547912.34. This is a 22% increase from last year's ending figure. Determine last year's amount of closing inventory.
Present of Increase and Decrease
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06/18/15

solve asap please
Having trouble with 2 questions can you walk me through both? do you just square the radicals?   solve   √4x-2 = √2x+6   and...   √2x-1    +2  = √x+2    +3   Thanks!
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06/17/15

a cube of sodium 15.0cm on one side weighs 3.28 kg. what is the density of sodium in grams/cubic centimeter? calculate the following
please answer my assignmnt now thank you. can you give the exact answer?  
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06/17/15

How are a persuasive essay and an expository essay different?
idk  
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06/17/15

story problem
The area of a circle with radius r is given by the formula A=π r2  . If a circle has area 169π square inches, what is the radius?
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06/17/15

solve please and thanks math f
solve (2x+3)/(x+5)   +  (1)/(2)   =   (7)/(2x+10)
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06/17/15

suppose a crown weighs 1325g and has a volume of 124.0cm3. what is the density of the crown.
please answer my assignment. thank you
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06/17/15

story problem
The formula a=p(1+r)^2 gives the amount A is dollars that P dollars wil grow to in 2 years at interest rate R (where r is given as a decimal), using compound interest. What interest rate will cause... more
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06/17/15

It took a crew 2h 40 min to row 6km upstream and back again. If the rate of flow of the stream was 3km/h, what was the rowing speed of the crew in still water?
Just need help setting up the equation.
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06/17/15

The sum of three numbers is 9. The first number minus the second plus the third is 3. The first minus the third is 1 more than the second. Find the numbers.
Math questions 
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06/17/15

Help please
A web music store offers two versions of a popular song. The size of the standard version is 2.5 megabytes (MB). The size of the high-quality version is 4.9 MB. Yesterday, there were 710 downloads... more
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06/17/15

How do you know when 30 minutes is up?
You have exactly 30 minutes to get out of a room. All you have is a 9 minute hour glass and a 13  minute hour glass to count off exactly 30 minutes.  
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06/17/15

Six times the diffrence of a number and 2 is equal to 9
I need help with this problem it's really bothering me 
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06/17/15

What is the expected cost to the company of a batch of 3000 tires?
A company manufactures tires at a cost of $40 each. The following are probabilities of defective tires in a given production run: probability of no defective tires: 10%; probability of 1% defective... more
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50%

06/17/15

How many liters of 70% solution must be mixed with 100 liters of 40% solution to get to a mixture of 50% solution?
How many liters of 70% solution must be mixed with 100 liters of 40% solution to get to a mixture of 50% solution?
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06/17/15

You invest $20,000 in two accounts paying 7% and 9% annual interest, respectively. If the total interest earned for the year is $1,550, how much was invested at
You invest $20,000 in two accounts paying 7% and 9% annual interest, respectively. If the total interest earned for the year is $1,550, how much was invested at each rate?
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06/17/15

When is it not possible to place your sample directly onto the balance pan (name at least two types of samples that cannot be placed directly on the pan?
i am working and chemistry lab assignment that drives me crazy.  
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06/17/15

algebra word problems
During an election campaign a candidate gave away 5000 advertisements. The pens he gave away cost $0.23 ea. and the bumper stickers cost $0.14 ea. He spent a total of $970.00 for pens & bumper... more
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06/17/15

How do you write this in Summation Notation, 2+6+11+17+24?
I need it for our statistic assignment, please. Thank you
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06/17/15

Find the perimeter of triangleXYZ with vertices X(3,7), Y(-1,-5) & Z (6,-4)
Need answer
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06/17/15

Probability!
4. In the old days, slot machines worked like this: you pull the lever to spin three wheels; each wheel has 20 symbols, all equally likely to show when the wheel stops spinning. The three wheels... more
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06/17/15

A ladder is leaning against a building so that the distance from the ground to the top of the ladder is 3 feet less than the length of the ladder.
find the length of the ladder if the distance from the bottom of the ladder to the building is 9 feet.
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06/17/15

How do you do x squared plus 10
I do not know how to do it ?????????? 
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06/17/15

what is the explicit formula for a compount interest sequence
Pn=????????
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06/17/15

.Which shape of play space provides for a more efficient use of fencing, a square or an equilateral triangle?
the formula for the triangle is 1/2(s)(3 (square rooted)/2(s). The perimeter of an equilateral triangle is 3s.  
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