04/05/14

Verify identities
tan2x =  sin2x 1+tan2x
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04/05/14

Simplify trig identities
(secx-1)(1+cosx)  =tanx         sinx 
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04/05/14

Simplify trig identities
1+cosx  =   sinx  sinx          1-cosx
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04/04/14

simplify solutions
assuming that none of this solution is underfined, please simplify.   a^2^m b ^m^+^1           a^mb       thanks
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04/04/14

Question about counterexample
How do I show by counterexample that (x+y)^-^2 and x^2 + y^2 are not equivalent?
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04/04/14

. 2x-2y=8
 Solve the following systems of equations using the graphing method.  What type of system is it?  Name the solution if there is one.
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04/04/14

I have a word problem
Find 2 numbers such that one number is 1 unit greater than the second number and the sum of the squares of the numbers is a minimum.
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04/03/14

I have a base of 50 and a hypoteneuse of 130 how do i solve for b
pythagorean therom I have a base of 50 + ahypoteneuse of 130 how do I solve for the other side
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04/03/14

what drill bit is larger 5/16 or 3/8
question on application for hardware store.   asking about drill bit sizes
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04/03/14

How many different line-ups can the team make?
1- There are nine different positions on a baseball team. If a team has 12 players how many different line-ups can the team make?   2-Baseball games consist of nine innings. A team wants to... more
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04/01/14

Method that eliminates data that stands out the most?
Is there an official name for getting a statistic used by calculation the statistic on a sample and eliminating the data that stands out the most?   Lets say I'm trying to get the mean on... more
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04/01/14

what is the polynomials factor of b2 + 8b + 7?
how do i solve this problem i dont understand how to do it
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03/31/14

how do i break down this polynomial x3+5X2-x-5
how do i simplify this polynomial  X3  + 5X2 -X - 5
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03/31/14

graph y=200 and x=250 with slope
I need to graph y=200 and x= 250 with slope
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03/31/14

write expression as the product of two factors 1*3+7*3
7th grade math
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03/31/14

Five people each have 2/10 of a pie. How much pie is left? EXPLAIN.
There are five people sitting around the dinner table. Each person has 2/10 pf a pie on their plate. How much pie is left? EXPLAIN.
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03/31/14

math question 2 week 7
What is the quadratic formula?What is it used for?Provide a useful example of a quadratic equation for someone  to solve. Show your steps or at least some of your steps in how you derived to your... more
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03/31/14

math question 1 week 7
Quadratic equations, which are expressed in the form of ax2 + bx + c = 0, where a does not equal 0, may have how many type of solutions?Please provide the name for each type of solution.
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03/31/14

Find the vertex, x-intercept and the y=-2x^2+8x-6
Can you please help show steps an then graph.  I am missing something how to understand it. thank you
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03/30/14

how can I solve for two variable with two equations: I have: .16=.31x+.18y+.062(1-x-y) and .84=1.2x+1.1y+(1-x-y)*0
I have seen the steps for solving for two variables but have been unable to finish. Would love to see a step by step if you can. Thank you.
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03/30/14

how do you solve 3(x+1) - 5x = 12 - (6x -7)
Solve algebraically for x
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03/29/14

How many liters of 10% and 50% alcohol solution must be mixed to get 15 liters of 26%?
Just need to find the percentage of each to put in 15 liters of 26%
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03/29/14

simplify expressions
Given the functions g(x)=2/2x-5, evaluate and SIMPLIFY each of the following expressions:   -6g(x)-1    
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03/29/14

help solving solutions
  1.  Simplify    x-y    +    x+y                     x+y          x-y     I have zero since x-y crosses out x-y and x+y crosses out x+y     2.  solve 12x^2 + 7x = 10      I am trying to... more
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03/29/14

Find the limit?
Find the limit of 3x^(2x) as x approaches to 0+.    Please show all your work. 
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