10/17/14

1/2(24-2h)=40
Solve the equation and write a justification for each step. Check the solution.
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10/17/14

x+1divided by 8=x/4
Solve equation, write a justification for each step, and check solution.
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10/17/14

4(2c-8)=1/7(49c+70)
Solve equation, write a justification fro each step, and check solution
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10/17/14

2/3r-25=115
Solve Equation, write a justification for each step, and check solution.
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10/17/14

A geologist measures the mass of a small gold nugget found in a steram. Which is most likely the measure he recorded? A. 9g B. 9.67g C. 9kg D. 9.67kg
I want to make sure I understand what I'm doing.
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10/17/14

how do you figure out the number of permutations in words?
Letters in the word YELLOWKNIFE?
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10/16/14

Word problem
Mr Thomas spent $1600 of his savings on a television set and 2/5 of the remainder on a refrigerator. He had 1/3 of his original amount left over. What was his original savings?
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10/16/14

labor cost
Mark and Rachel work for a landscaping company. Mark can finish a planting job in 3 hours and Rachel can finish the job in 4 hours. if they work together on the job and the cost of labor is 40... more
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10/16/14

can you factorise 65x^2+130x+65=0
Please answer this question im stuck
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10/16/14

What is the length of the sides of the cheesboard.
cheeseboard has diagnols of lengths 40cm. use the phythogrean theorem to solve.   
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10/16/14

94 people, 56 have cars, 46 have trucks, and 20 have neither, how many had both
There are 94 people, 56 have cars, 46 have trucks and 20 have neither, how many had both..
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10/16/14

Graph the equation 3x+9=0
Graph the equation 3x+9=0
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10/16/14

Solve write set notation for the answer X-6<11
Solve write set notation for the answer X-6<11
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10/16/14

a set consists of 96 elements .The range of the set is 10 and mean is 12.6 , what is standard deviation of the set ?
please give me the explination
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10/15/14

There are 7891 people at a concert.1/3 of the adults are men.1/2 of the children are girls.The number of women is thrice the number of boys.How many children?
Pls help me answer~
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10/15/14

A cube is 5in. in exterior dimension. What is the diagonal distance across the interior?
A cube measures 5 inches in each exterior dimension.  What is the diagonal distance across the interior of the cube from lower, outer corner, to the upper far outside corner?
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10/15/14

Math algebra word problem help
A Web music store offers two versions of a popular song. The size of the standard version is 2.8 megabytes (MB). The size of the high-quality version is 4.5 MB. Yesterday, there were920 downloads... more
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10/15/14

A rectangular garden is fenced on all sides with 160 ft of fencing. The garden is 6 ft longer than it is wide. What is the area of the garden?
We have to learn how to write equations from word problems. It's kind of confusing for me. 
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10/15/14

How many trees should be planted on an acre in order to get the highest yield?
An apple farm yields an average of 30 bushels of apples per tree when 20 trees are planted on an acre of ground. Each time 1 more tree is planted per acre, the yield decreases by 1 bushel (bu) per... more
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10/15/14

2x3 - 11x2 - 16x + 105 = 0
Find all solutions of the equation.
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10/15/14

x3 - 4x2 - 11x - 6 = 0
Find all solutions to the equation..
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10/15/14

arithmetic mean
Judi’s average (arithmetic mean) on four tests is 80. Assuming she can earn no more than 100 on any test, what is the least she can earn on her fifth test and still have a chance for an 85 average... more
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10/15/14

Arithmetic mean
The average of 8 scores is Q. If the average of 3 of the scores is Z, what is the average of the other 5 scores?
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10/15/14

arithmetic mean
The average age of 10 friends is 32 years. If 3 of them average 28 years, and 5 others average 34 years, what is the average age of the remaining 2 people?
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10/15/14

Diana can check 25 papers in 2 hours. When Frankie helps, they can do the job together in 30 minutes. How long would it have taken Frankie to grade 25 papers b
Diana can check 25 papers in 2 hours. When Frankie helps, they can do the job together in 30 minutes. How long would it have taken Frankie to grade 25 papers by himself?
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Expert Answers •1

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