04/16/14

solve sq roots
  1. solve 4√x = 20       I am pretty sure the answer is x = 25 but I do not know whto show the work                   ____ 2.  √y + √y + 7 = 7          _____       __ 3.  √x + 11 = √x +... more
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04/16/14

simplify square roots
    1.  simplify √a^2/b^5        The sq root symbol encloses the whole fraction          ____________ 2.  √a/b ________                            √a^2/b^2         The first sq root... more
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04/16/14

truth values
Determine the truth value of (p <-> r) -> (p ^ q)  if you are given these truth values for the simple statements:  p is false, q is true, r is false. 
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04/16/14

finite math
 Given:   n(U) = 80,  n(A) = 42,  n(AnB) =10,  n(A'uB') =12.     Find  n(B).      
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04/16/14

what line passes through point (-2,3) (1,-6) ?
you must put it in standard form   
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04/15/14

How do I solve this using elimination?
-X + X=5 X-5X=-9
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04/15/14

Consider the equation. show work
Consider the equation 9x2 + 12x - 5=0. (a) Find and state the value of the discriminant, b2 – 4ac. Then state whether one real-number solution, two different real-number solutions, or two... more
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04/15/14

simplify radicals
simplify:   1.  √-25√-9   2.  (6i)^2   3.  1/i   4.  -√3(√-3)   5.  1/2 - i   thanks
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04/15/14

help simplfy expressions
Please help simplify these expressions:   1.  √a + √b      √a - √b     2.  √5 + 1      √5 - 1     3.  3√2 - 2√3     4.  √3(√6 - 2√3)   5.  √18 - √3         √6     thanks
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04/15/14

Why is g^ng=g^n-1?
Your explination should include the meaning of exponent in terms of multiplication, and should not use rules of exponents 
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04/15/14

if you multiply me by 2 i become a number greater than 20 and less than 40
if you multiply me by 2 i become a number greater than 40. if youmultiply me by 6 i end in 8. if you multiply me by 4 i end in 2
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04/15/14

how do you simplify exponent 3 square root 250
    1. how do you simplify 3√250 ?   I have  3√25   x     3 √10       2. how do you simplify    √a^2/b^5     3.  how do you simplify  √a/b√a^2/b^2   4.  how do you simplify  2 x... more
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04/15/14

if a line is graphed at points -2,0 -4,0 and -3,2. then what is the eqaution used to solve it?
if a line on a graph is located at points -2'0 -4'0 and -3,2. then what eqaution would i use to sove the problem?
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04/15/14

solve 2r-3
i need help with this question 
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04/15/14

Kellers industries profits were up to 50,000 this year over last year. This was an increase of 12.5%.
A. let T represent the profit this year and L profits from last year and write a system of equations that can be used to determine the profits. B. which method would be more efficient to solve this... more
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04/15/14

how to use zero property
x(2x+3)=5(2x+3)
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04/15/14

A student chooses a red marble from a Bag and Then chooses another red marble without replacing the first. is it independent or dependent ?
Is this independent or dependent ? 
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04/14/14

10y+7x2+3y
I need help with some math problems. I need some directions or steps that will show me how to solve problems such as combining like terms.   
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04/14/14

Given that 527= 17x 31, is there a way to check if 77 is a factor of 527 without actually dividing 527 by 77?
It's about Prime numbers
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04/14/14

how to factor xsquared + 13x +30
how to factor x squared + 13 +30 - 2x squared + 13x +30 - 6xsquared-13x+30-the primeter of a triangular park is 16x+5 if one side is 12+5 another is 2x-1 find the missing side. A rectangualr... more
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04/14/14

Two sides and an angle are given. Determine whether the given information results in one triangle, two triangles, or no triangle. Solve any triangle that result
Side a = 26; Side b = 20;  Angle B = 15 degrees 
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04/14/14

word problem
Buried treasure. Ahmed has half of a treasure map,which indicates that the treasure is buried in the desert 2x + 6 paces from Castle Rock. Vanessa has the other half of the map. Her half indicates... more
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04/14/14

Ben is seven more than two times as old as Denise. In 15 years the sum of their age will be 76. How old is Denise now?
Lost on this one. Can someone please help me with this one. Thank you
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04/13/14

What does a negative minus a negative equal?
-12 - -288 =   
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04/13/14

four times a number decreased by a second number is -9. the first number increased by twice he second number is 9. find the numbers
need help with this problem please! thank you 
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