05/19/14

solve -2x+1>7
None of the websites that I have tried can solve this.
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05/19/14

How do I simplify ((x^-3*y^-1)/(x^2*y*z^2))^-3
How do I simplify the above question
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05/19/14

Story problem
A projectile is launched upward with an initial velocity of 80ft per second from the roof of a building 12ft high. How long will it take until the projectile lands on the ground? Round to nearest... more
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05/19/14

how do you rewrite (x^-8/y^11)^ -2 without negative exponents
the ^ means exponents 
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05/19/14

How long will it take you to triple an amount of $500 if you invest it at a rate of 6% compounded annually?
By using  A=P(1+r/n)^nt
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05/18/14

The base off a triangle is 4 cm less than the altitude and the area of the triangle is 198 find the altitude of the triangle.
Quadratic equations  
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05/18/14

If my current grade is an 80 and my final exam is 10% of my grade and say i fail with a 60. How many point will my grade go down
I have a final exam next week which im nervous about. My current grade is an 80 and the final is worth 10% of my current grade. if i make a 60 what would my grade be
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05/18/14

my daughter has a math problem about pentagons and their properties. What is the property of a hexagon?
enter degrees and sides  
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05/18/14

the length of a rectangle is 5m more than three times the width. The area is 232m2. Find the length and width of the rectangle
I don't know how to solve it! Will someone please help me??
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05/18/14

multiply (7x-2)(-4x-3)
(7x-2)(-4x-3)
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05/17/14

I have to cover a lawn that is 15ft by 40 ft. one pound bag covers 100 sq feet and the seed is sold in 5lbs bags, how many bags will he nned?
how  many bags will he need?  
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05/16/14

help with amplitude graphs
    describe the following graphs of y.  give (a) its amplitude (if applicable), (b) its maximum and minimum (if applicable) and (c) its period.  List if it has no amplitude, maximum, or... more
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05/16/14

help finding value of tan and cos
    1.  How do  I find the value of tan 15 degrees without using tables or calculators     2.  How do I find the value of cos 105 degrees without using tables or calculators     thank you
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Tan

05/16/14

help with tan x question
  how do I prove that tan  x (cot x + tan x) = sec^2 x   thank you
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Sin

05/16/14

Sin^2 x question
  How do I prove that sin^2  x(1 + cot^2  x) = 1     thanks
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05/16/14

how to solve 5^8x=115
i need to solve this equation and round answer to four decimal places
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05/15/14

if blue is 100 red is 350 and orange is 250 how many less people chose blue than red and orange
if blue is 100, red is 350, and orange is 250....how many less people chose blue than red and orange  
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05/15/14

Kristy brought a package of mini muffins for $3.Each package contains 12 mini muffins. If Kristy has 60 mini muffins,how much money did she spend?
Kristy brought a package of mini muffins for $3.Each package contains 12 mini muffins. If Kristy has 60 mini muffins,how much money did she spend?
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05/15/14

factor the following equation -30a - 100
factor the following equation -30 a - 100 what is the answer  
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05/15/14

Determine the asymptotes for p(x)=-4x-1/x-5
Find the asymptotes for p(x)=-4x-1/x-5
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05/15/14

what is 5a+30 if it equals 155
i have an substitution grid and i dont know what A will equal if one of the answers equal to 155
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05/15/14

3u+4v-2(8u-5v)
3u+4v-2(8u-5v)
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05/15/14

how many teenagers were originally going to split the pizza?
the teenagers in a youth group are going to share the cost of some pizzas.  The original cost was $6 per person, but 5 teenagers couldn't stay to eat.  so the cost went up to $8 per person for the... more
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05/15/14

Describe why it isimportant to check your answer by re-foiling when factoring a problem like x^2+5x+6?
How would your answer change if the problem was x^2+5x+6.
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05/15/14

y=square root of x and y= square root x+4 -3
determine the domain and range then state the intervals 
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