10/11/15

Word Problem
I have a problem picking out a problem from word questions. Can someone please help me.   Suppose $1,500 is invested in an account at an annual interest rate of 4.2% compounded continuously. How... more
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10/11/15

If a 12 x12 ft wall takes 3/4 hour to paint How long will a 15x16 ft wall take?
If a 12 x 12 ft wall takes 3/4 hour (45min) to paint. How long will a 15x16 ft wall take to paint? Can't use cross multiplication and you Must show drawings to show how you solved the problem.
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10/11/15

Express the set -4x+21=3x+14 using interval notation.
Please help
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10/11/15

Find the value of n
3*√27=3^n Find the value of n. I am confused on this question! Does anyone know how to do it?
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10/10/15

probability and odds in pre-algabra
In pre-algebra, I am given the following problem:   The forecast calls for a 35% chance of rain. a) What is the probability it will rain? b) What are the odds it will rain?   Can you help me?
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10/09/15

function question
If f(x)=4x-1 and g(x)=5x, what is (fog)(7)?
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10/09/15

Math equation needed
frog is in well 78 meters deep. He jumps 4 feet each day, when he sleeps he loses 2 meters. How many days will it take him to get to the top / basic equation?
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10/08/15

(2)/(x^2+4x+4)=1/2
Can someone help me solve for x? Thank you.
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10/08/15

You are to run a conduit diagonally across a parking lot that is 200 ft long and 60 ft wide. How much conduit will you need to complete this run?
You are to run a conduit diagonally across a parking lot that is 200 ft long and 60 ft wide. How much conduit will you need to complete this run?
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10/08/15

I can do this problem long hand, but was wondering if there were an easier way to do it with LCM's
Earth's space colony will be floating through the area between Mars and Jupiter. There are five asteroids, named Alpha, Beta, Cephalon, Delta, and Erthon, that will occasionally orbit the colony.... more
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10/08/15

An equilateral triangle is inscribed in a circle of radius r. Express the circumference C of the circle as a function of the length x of a side of the triangle
An equilateral triangle is inscribed in a circle of radius r. Express the circumference C of the circle as a function of the length x of a side of the triangle.
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10/08/15

Area of parallelogram
The area of a parallelogram shaped plot of land is 1600 m^2. For sale, the plot is divided into 20 equal parts- each being of the shape of a parallelogram with altitude 4 m. Find the total length... more
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10/07/15

Given f(x) = 3x, evaluate f(x - 4)? I don't know what to do.
 In a course online. No physical teacher to teach me so what do I do? Answer?
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10/07/15

algebra word problem
A man paid the bank $4,080 at the end of 3 years. This was the amount borrowed plus 12% interest for 3 years. How much money had he borrowed?
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10/07/15

Elisa won 40 lollipops. She gave two to every student. She has at least 7 lollipops left. Write an inequality to represent the situation and solve
I don't understand how to make a equation but, I do know how to make a graph for it.
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10/07/15

(1+x/y)(4y^2 / x^2 - y^2) rational explanation
Simply it with rational expression 
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10/06/15

f(x)=2x^2-4x+2, g(x)=x-1
i have no idea what to do, i need to find the domain of this
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10/06/15

Solving systems by substitution method
solve the system by using substitution method. 2(x+2y)=12-6x=5y-8
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10/06/15

What is the units (ones) digit of 7 to the 15th power?
help! please give me a step by step explanation on how you figured this out please? thank you!
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10/06/15

determine the slope of the given line by writing it in slope-intercept form
How do I do this? 2x+3y= -6 
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10/06/15

Algebra word problem
Three consecutive even integers have the property that the sum of 10 more than the first, 22 less than the second, and 4 times the third is 62. What are these numbers? 
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10/05/15

a classroom in your school has 32 desks, and another classroom has 35 desks. Which classroom allows for more rectangular desk arrangements if you use all desks
simple question  topic is factorization
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10/05/15

3 sheets of wallpaper.each sheet has an area of 12 square feet. he cuts the wallpaper into 1/3 square doot peices,how many peices are there all together?
Johann has 3 sheets of wallpaper
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10/05/15

how Long does it take to fill the tank
One pump fills a tank in 9 hours. A second pump fills the same tank in 6 hours. when a third pump is added and all three are used to fill the tank, it takes only 3 hours. find how long it takes the... more
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10/05/15

Find four consecutive odd integers whose sum is -112.
 Can you please help me?  
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