01/09/14

a customer is sending a shipment of 12 boxes with 35 kilos each on saturday.
i need help asap, pls anyone.   a customer is sending a shipment of 12 boxes with 35 kilos each on saturday. the cost is $6.50 USD per kilo and there is 5% charge for a saturday pick up. the... more
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01/09/14

How long after they start will the runners meet?
Two runners, starting at the same time, run towards each other from opposite ends of an 8 mile trail. One runner is running at a rate of 5 mph, and the other is running at a rate of 7 mph. How long... more
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01/09/14

x^2=y^2 functions
determine whether each equation defines y as a function of x
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01/08/14

how would i go about solving the following equation?
how would i go about solving the following equation?   4 > z < 3   PLEASE HELP with a step by step solution!
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01/08/14

there are 12 questions,you only have to answer 10. How many different combinations are there?
If you have to answer questions  1-3 ,then how many combinations are there? 
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01/08/14

4 7/8-4 4/6
adding & subtracting fractions
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01/07/14

How to solve for z
In s triangle that is in th problem the top corner is labled (145-z degrees) left inside corner is labled 40. The right inside corner is labled z degrees. Please help me solve for z
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01/07/14

factor expressions completely
I really need help solving this problem by factoring the expression completely.             3g^3 - 51g + 210g               Theanks
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01/06/14

factorization
6t2 - 7t + 12
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01/05/14

How do you solve the system of equations using the inverse matrix: {5x-2y+16 and {x+3y=10
I tried to find the inverse but in all my multiplying, it ended up not being a inverse matrix and instead a random set of fractions in my matrix.
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01/05/14

math definition
  Is this an example of  y = a(x - h)^2 + k   for a coordinate of the vertex
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01/04/14

Solve x^2+8x+20=0
I need to solve this problem by factoring.
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01/04/14

what is a pi ? how the area of a circle is calculated?
the diameter of a wheel car is 77cm. how many revolutions will it make to cover a distance of 72.6m?
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01/03/14

Use the power reducing identities to write sin^2xcos^2x in terms of the first power of cosine.
This is for my trig class. Thanks for the help!
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01/03/14

Rewrite 6(sin5x)cos2x
This is for my trig class. Thanks for the help!
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01/03/14

Rewrite sin(x+pi)+sin(x-pi) as a product.
This is for my trig class. Thanks for the help!
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01/03/14

Use the quadratic formula to find all solutions in the interval [0,2pi): tan^2x-6tanx+4=0
This is for my trig class. Thanks for the help!
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01/03/14

how to use polynomial to model combinations
Would you please show me how to solve this story problem.   Eye color is determined by genetic combination.  Let R represent the gene for brown eyes and l represent the gene for blue eyes.  Any... more
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01/03/14

Find the area?
  Find the area of the region enclosed by the polar curve r=1-cos θ.   Answer: (3/2)pi
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01/03/14

Kepler's third law
Kepler's third law, T = √(Kr3), can be used to calculate the time it takes for a planet to complete one orbit of a star. The average radius of the planet's orbit in km is r, and K is a constant... more
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01/02/14

Solve this system using the equal values method y=-4x -3 and y=-4x+1
Having trouble solving this equation.  When I try to use the equal values method I end up with 0x
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01/02/14

Find h'(1)?
Let f and g be differentiable functions such that f(1)=2, g(1)=2, f'(1)=3, g'(1)=-3, f'(2)=-4, g'(2)=5. If h(x)=f(g(x)), find h'(1).   Answer: 12
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01/02/14

There are 5 members in a group. 3 members are can be chosen to go on a trip. How many different groups of 3 can there be?
Word problem that has me confused
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01/02/14

math story problem
How do I solve this question?          A bird is sitting 16 feet above the ground in an appple tree dislodges an apple. After how many seconds does the apple land on the ground?  (assume no... more
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01/02/14

did I solve factoring this expression correctly
did i solve this expression correctly by factoring it completely?      2a^2^c3 - 14bc^3 + 32c^3d^2     = 2c (a^2c^3 - 7bc^3 + 16c^3d^2     I used the GCF as 2.
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