04/28/14

cos = 1/11, find the 5 other trig functions
cos=1/11 find sin, tan, csc,sec,cot   please help me quickly  
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04/28/14

8x+7 > or equal to 6x - 9 =
I want to know the answer to my question above , and how to solve it step by step    8x+7 > or equal to 6x - 9 =  
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04/28/14

What is the square root of x^2-4
Square root of x2-4
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04/28/14

Write a system for this?
I need some serious help! Without it, I cannot become a pokemon master!
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04/28/14

3x+y=7 and 3x-y=7
Get two points with substitution method  
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04/28/14

I have a problem linear equations and inequalitiesI cant rfigure out how to set it upcan someone help me?
I am not good in Algebra, I have failed one class already, I don't want to fail again.I have a linear equation question that I don't know how to set up it is different from anything I have worked... more
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04/28/14

cinversion problem
I am trying to solve this problem:  If 1 tablespoon of salt = 14.74 g., and it takes 58 grams of salt dissolved per kilogram of water to raise the boiling point 1/2° C. How many Tablespoons  of... more
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04/27/14

A ship's crew of 50 has a supply of drinking water
for 30 days such that each member of the crew would get 2 quarts per day. If 250 gallons become contaminated after the 10th day and cannot be used for drinking, how many quarts will each crew... more
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04/27/14

How many three-digit telephone area codes are possible if the first digit cannot be either a "0" or a "1" and the second digit must be either a "0" or a "1"?
if the first digit cannot be either a "0" or a "1" and the second digit must be either a "0" or a "1"?   HELP!!!
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Apr

04/26/14

if someone anually adds $1800 to a principle of $1800, and with an APR of 7% compounded anualy, how much will they end up with in 43 years?
I tried the compound interest formula, either i did it wrong or it doesnt work for this problem.
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04/26/14

A sum of money is invested for four years in a CD paying an APY of 9.2% At the end of the four years you get $842.93. What was the initial principal?
Note: they did not say compounded continuously. This is the part that trips me up.
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04/26/14

can any one explain me how limits actiually works ....!!?
i want to know how limits work with given function ,.... similar to   if weadd2+3 we get five .... ijust wnt that nmuch deep answere  
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04/26/14

a gas station has 30 gallon of gasoline worth 1.20 per gallon
a gas station has 30 gallon of gasoline worth 1.20 per gallon and some worth 1.40 per gallon .how many gallons of the 1.40 brand must the owner mix in to produce gasoline that cost 1.28 per gallon
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04/26/14

select the x-coordinate of the vertex of the parabola defined by the function f(x)=-7x^2+9x+7
Select the x-coordinate of the vertex of the parabola defined by the function f(x)=-7x^2+9x+7
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04/25/14

Evaluate the limit as x aproches to -1 of the graphed function
I cant copy an paste the graph but it looks like this   is a straight line with an open circle like this "0" and its location is (-1,-2) the line continues going up to the right of the graph and... more
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04/25/14

what is the answer |x+11|<7
what is the answer |x+11|<7
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04/25/14

consider the equation f(x)=-6x-1 and g(x)=4x^2 select the solution for (fg)(x)
-6x-1+4x^2   -24x^3-4x^2   -24x^2-1   -6x-1-24x^2
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04/25/14

Math word problem
the local business club has 225 members. its rules state that a two-thirds majority is need to amend the bylaws. a certain fraction has been determined that it can count on 109 votes. how many more... more
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04/24/14

how do you factor
how do you factor a2(squared)-a-12=0
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04/24/14

finding interest
1.  if interest is compounded annually, how much is $1000 work in 8 yrs at 8%?  (show the formula to use)       2.  the formula to find the total amount in your savings account (if interest is... more
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04/24/14

help to simplify
would you please help me simplify      (3x) ^1/3   thanks
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04/24/14

2x^2-8x+3=0 use quadratic formula
need help I know that 1/2, 3/2 should be the answer but when I work it out I dont get that please help me understand. where I am going wrong. thank you
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04/24/14

5x^2-8x-4=0 solve using quadratic formula
I know the answer is -2/5, 2 but I can not write it out with that number. can you help me see the steps. thank you
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04/24/14

complete the table and use it to evalutate the limit
limx+1/x^2-x-2 x-->2                           table  x   1.9   1.99  1.999  2  2.001  2.01  2.1  f(x)      what is missing is the values of f(x)  
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04/24/14

Can you solve this maths problem?
3 green notes and 8 blue notes are worth 46. 8 green notes and 3 blue notes are worth 1. How much are 2 green notes and 3 blue notes worth?
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