08/07/13

How do you solve and graph an inequality if there are 2 inequality signs?
-1<3-5m<3
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08/07/13

find the minimum value for the equation c=-2x+y given the following constraints
x greater than or equal to 0 y greater than or equal to 0 x+y less than or greater to 7 5x+2y less than or greater to 20               a. 12  b. -8  c. 7  d.. -10
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08/06/13

what is the lowest common denominator of 3/10x + 10 and x/5x^2 -5 ?
show your factoring. please help i need help.
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08/06/13

how do you solve (x + 2)^2 / x^2 + 3x +2
simplify each expression. show cancelling factoring.
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08/06/13

if sin teta = -1/3 and teta does not lie in the quadrant 3 find the value of cos teta
FIND THE VALUE OF COS TETA
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08/05/13

Help! Math word problem!
castel left the mall driving west one hour before dan. dan drove in the opposite direction going 40mph slower than castel for 3hours after which time they were 335miles apart. find castel's... more
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08/01/13

The algebra problem example Y=2 is the type of problem is the operations is the reason to solve correctly
y=2/x, y=3x how do you solve the problem, thanks  
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07/31/13

How do you put f(-2)=1 and f(-1)=3 in slope-intercept form?
I have this question as part of my Pre-Calc summer work. I never learned about f(x) equations without the variable x in them... it just doesn't make sense to me based on what I know. Please help! I... more
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07/30/13

The population of the LessShy neighborhood has been growing steadily since 1984. In 1986, the population..
The population of the LessShy neighborhood has been growing steadily since 1984. In 1986, the population was 37200 people. In 1994, it was 42000 people. Find an equation in the form y=mx+b where x... more
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07/19/13

Mathematica Project - Position, Velocity, and Acceleration - plotting
Mathematica Project - Position, Velocity and Acceleration A rocket is fired vertically upward into the air from a launching platform 100 ft above the ground. The platform is then retracted, and... more
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07/15/13

how to find the amount of people who fit in a car
A student read about Volkswagen packing in the 1960s. She was interested inknowing the maximum number of students that fit into a Volkswagen car. How mightyou help her estimate an answer in a... more
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06/18/13

How much of each fuel should be product in order to maximize profit?
A chemical company make two different fuel , Y each of which is different mixture of three chemicals A; B; and C, the amounts of A,B, and C available are: A: 100tonnes B: 400tonnes C:... more
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06/18/13

How much of each fuel should be product in order to maximize profit?
A chemical company make two different fuel , Y each of which is different mixture of three chemicals A; B; and C, the amounts of A,B, and C available are: A: 100tonnes B: 400tonnes C:... more
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06/18/13

Between 4 pm and 55 pm, what are the times for the hour hand and the minute hand to make an angle of 50 degrees? Express your answer to the nearest minute.
Please help! Come on, i seriously failed no matter how many times i tried! help!
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06/18/13

Problem Solving Questions - Help?
1) Jennifer takes 5.9 hours to drive her car 600 km from kelowna to seattle. for the first part of the trip, her speed was 75 km/h, and for the rest of the trip her speed was 110 km/h. How long did... more
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06/16/13

three of four numbers have a sum of 22. if the average of the four numbers is 8, what is the fourth number
word problem i need to solve for an upcoming test. I need to know how to get the answer  
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06/14/13

What formula should I use to solve the question
In a political poll, 2/5 of  the respondents said they would vote for a certain candidate.  Of these, 1/3 were men.  What fraction of all respondents that voted were women?
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06/14/13

if (1-a^2)sin-2acos=0,prove a^2(1+cos)=1-cos
Prove a^2(1+cos)=1-cos if 1-a^2)sin - 2acos =0
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06/13/13

A rectangle is formed inside a regular hexagon. If the diagonal of the rectangle is 10 find the area of the hexagon
A rectangle is formed inside a regular hexagon. If the diagonal of the rectangle is 10 find the area of the hexagon
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06/12/13

Using this data, draw some kind of graph and tell the distribution of the graph
Using this data, draw some kind of graph and tell the distribution of the graph I need to have a graph and then know what the graph looks like such as skewed left and right 62 75 86 83 9877 92 96... more
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06/12/13

the length of a rectangle is 2 cm less than three times its width. its area is 21 cm. find the dimensions of rectangle. The width is ? , the length is ?
the the length of a rectangle is 2 cm less than three times its width. its area is 21 cm. find the dimensions of rectangle. The width is ? , the length is ?   thanks
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06/12/13

Find all integers k so that the trinomial can be factored. 3x^2+kx-1
i don't get what i'm supposed to do
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06/11/13

x-2y=10 1/2x-2y=4
x-2y=10 1/2x-2y=4 please help and show step by step instructions
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06/11/13

Find 4 consectutive even integers where the product of the two smaller numbers is 72 less than the product of the two larger numbers.
Find 4 consecutive even integers where the product of the two smaller numbers is 72 less than the product of the two larger numbers.I'm never able to understand word problems...
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06/11/13

Statistics
A sample of 3,014 steelworkers was selected to find out if they will go on strike on Monday.  53.2% of those in the sample said they would go out on strike. Since the number sampled is large and... more
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