05/28/14

At what interest rate, compunded annually will an amount of money double itself in 12 years?
At what interest rate, compunded annually will an amount of money double itself in 12 years?
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05/27/14

Factoring A Quadratic that seems "unfactorable"! -16t^2+60t+5
This quadratic seems impossible! We've tried almost every factor within 1-20 and none fit! How do I factor -16t^2+60t+5?! So aggravating!   We just need it FACTORED, not SOLVED.
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05/27/14

find all solutions of the given equation in the interval [0,2pi);
(4sin2x-1)sinx=0
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05/26/14

A number is decreased by 60% to 288. What is the original amount?
A number is decreased by 60% to 288. What is the original amount?
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05/26/14

A number increased from 140 to 224. Find the percent of increase
A number increased from 140 to 224. Find the percent of increase
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05/26/14

The formula Total cost = Cost +Shipping cost + Maintenance is used to find the total cost of a business asset.
The formula Total cost = Cost +Shipping cost + Maintenance is used to find the total cost of a business asset. The formula can be written in symbols as T=C+S+M. Solve the formula for S, the... more
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05/25/14

Bear population. To estimate the size of the bear population on the Keweenaw Peninsula, conservationists captured, tagged, and released 50 bears. One year later
 I am back still am confused and frustrated please help me answer this one.
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05/24/14

Why is the following function discontinuous at the given number?
Why is the following function discontinuous at the given number?\\ f(x)=ln|x-2|, x=2\\ (a) f(2) does not exist.\\(b)lim x->2 f(x) does not exist (or is infinite).\\ (c) Both (a) and (b).\\ (d)... more
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05/24/14

Use the limit process to find the slope of the line tangent to the graph
Let f(x)- 6x4+2   A) Use the limit process to find the slope of the line tangent to the graph of f at x=4 the slope at x=4 is?   B) Find an equation to the line tangent to the graph of f at... more
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05/23/14

Why isn't water flammable?
Fish don't breath water, they breathe dissovled oxygen that is in the water. Because pure oxygen is quite flammable, and pure oxygen is dissolved in water, why isn't water flammable? I'm sorry this... more
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05/23/14

help with possibilities for a four digit number
suppose a contest offers $1,000 to the person who can guesss the winning four digit number.  How do i solve to find how many possibilities?     thanks.
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05/22/14

what is the smaller number?
The sum of two is 19, and their product is 78. What is the smaller number?
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05/21/14

Simplify -(7-6x)+4x(7x+6)
Simplify -(7-6x)+4x(7x+6)
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05/20/14

Find the formula for the inverse of the function
Find the formula for the inverse of the function.\\ f(x)=(1+ex)/(1-ex•) f-1(x)=
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05/20/14

If everyone in your class writes down her favorite two-digit number.
If everyone in your class writes down her favorite two-digit number, what is the probability that two people will have written down the same number? Note: assume that there are 4 students in your... more
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05/18/14

f(x)=-6x-1 and g(x)=4x^2 select the solution for (f+g)(x)
possible answers are   a. -6x-1+4x^2 b. -24x^3-4x^2 c. -24x^2-1 d. -6x-1-24x^2
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05/18/14

Suppose that an insurance agent offers you a policy that will provide you with a yearly income of $40,000 in 30 years. What is the comparable salary today, assu
Suppose that an insurance agent offers you a policy that will provide you with a yearly income of $40,000 in 30 years. What is the comparable salary today, assuming an inflation rate of 5%... more
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05/18/14

[f(x)=-6x-1 g(x) =4x^2] solve for (f+g)(x)
F(x) =-6-1   g(x) = 4x^2     solve for (f+g)(x) using the same : f(x) = -6x-1  and g(x) = 4x^2 it then it asks to solve for (fg)(x) I get confused when trying to solve this because when I go to... more
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05/16/14

List Price 565,33 trade discount rate 24% net price factor ? and net price? i have no clue on how to do this.
calculate the following net price factors and net prices by using the complement method. round all answers to the nearest cent.
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05/15/14

Finding standard deviation
How do I calculate the standard deviation when given the mean and percent of area that lies to left of a given value?   Specifically mean=10.8 and 15% of area lies to the left of 9.3.  What is the... more
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05/15/14

Emily was riding her skateboard. She knew that she could ride 4 miles in 20 minutes. At that same rate, how many miles could she ride in 35 minutes
I need the solution to this problem  Emily was riding her skateboard. She knew that she could ride 4 miles in 20 minutes. At that same rate, how many miles could she ride in 35 minutes
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05/14/14

I'm having trouble finding the right formula to use for this probability statistics question.
Aero company bids on two contracts. They feel they have a 40% probability of winning contract A. If they win the first contract, the probability of winnin ghe second is 70%. However, if they lose... more
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05/13/14

A culinary student decorates an 8-in -diameter round cake. What is the approximate area of the top of the cake?
I need help figuring out the problem. Do you use the formula of A= ∏r2 and find the exact area and approximate area? Thank you for your help.
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05/13/14

how do i combine 3log(M) and -2log(M)
do you multiply exponents when the bases are being added together? The whole question is 3 Log (M)+ Log (N)- 2 Log (M)
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05/12/14

Combinations
How many different ways can a committee of three men and four women be made out of a group of 12 men and 12 women?   P.S.  How would you do this with a graphing calculator (the nCr option under... more
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