01/19/15

Algebra 1a
Tell whether the sequence is arithmetic. If it is, what is the common difference?  -15.-9.-3.3.... a. yes;3 b. yes;5 c.yes;6 d. no 
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01/19/15

using logarithms, what formula would be used to solve this word problem?
At what point does the compound interest on the national debt double the amount fromthe current year? The current national debt is $17,000,000,000. Solve algebraically andshow all of your work.... more
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01/19/15

Math plz help
Your goal is to save at least $240.00 over the next 4 weeks. How much money must you save each week in order to meet that goal? Write and solve an inequality
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01/19/15

Word Problem
Marcos is 25 years old. The difference between his age and 5 x 10^-2 times is sister age is 12/0.5. How many years apart are Marcos and his siter's age
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01/19/15

next number in sequence?
1, 2, 8, 48, 384
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N7

01/19/15

an apartment for $900 a month, rent will increase by 5.5% each year, how much will the rent be in 7 years
Please show me how to do this, and if there a formula for this. 
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01/19/15

evaluate the radius of a circular arc that has an arc length of 4.53cm and an angle of 38 degrees accurate to the thousandths place
 Trig 122. Need help on how to get the problem started and how to do it
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01/19/15

How to simplify this expression? x^2 - 2x - 3 divided by (2x^2 - 10x + 12)
   x^2-2x-3    2x^2-10x+12     Simplify this expression?   (x^2 means x squared and 2x^2 means 2x squared)
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01/19/15

finding area
I have a piece of paper with a solid strip along the top and the left side. The stripes take up a third of the parper. The paper measures 5 inches by 8 inches. What will the widthe of the stripes be?
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01/19/15

all real numbers at least -7 and at most 1
need help with story problems
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01/18/15

Solve for the indicated variable (these require GCF)
Ax+ay=5x-3
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01/18/15

Find the Probability
A study determined that 5% of children under 18 years of age live with their father only. Find the probability that at most 2 individuals selected at random from 14 children under 18 years of age... more
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01/18/15

Find the -intercept of the line whose equation is y = -3.7x4.2
Find the -intercept of the line whose equation is y = -3.7x4.2
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01/18/15

Please Help
Ziam is considering an offer to perform his own songs on a CD to be titled “Waiting There.” In the past, he has written but not performed his music. If Ziam’s royalty is 0.12 of the suggested... more
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01/18/15

Why are all polynomials in one variable functions?
This is an explanation question needed to be answered. Please include the meanings of polynomial and function in one variable. Thank you!
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01/18/15

what is the common factor in 9/t^2-1/t-3?
the common factor or the least common denominator.
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01/18/15

Given a line of a known slope, how can I find the point on a perpendicular line that is a given distance from a point on the first line?
I'm trying to build a program that can take a line and turn it into a rectangle. So, the known information would be the x1,y1 and x2,y2 of that first line. What I need to be able to do is find the... more
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01/18/15

In a basketball game John made a total of 17 shots, scoring a record of 43 points. Some of the shots were worth 2 points and the rest were 3 pointers..
write a system of equations to determine how many of each shots were made.   Thx
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01/18/15

If A = B and B = C, is it true that C = A?
If A = B and B = C, is it true that C = A? If not, why?
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01/18/15

quadratic equations
Select the approximate values of x that are solutions to f(x) = 0, wheref(x) = -9x2 + 9x + 9.   The four options below are: {–1.00, 1.00} {-9, 9} {–1.00, –1.00} {–0.62, 1.62}
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01/18/15

distance to the center of the earth math/science
the distance from the surface of the earth to the center is 6,371 km, if you were to make a model of the earth and from the outside to the center was 9.9 cm, 1 cm = _______ km
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01/17/15

Half-Life #10-11
Suppose that a severe virus is impacting a bee colony and the population of bees has a half-life of 5 days.   What approximate daily percentage of decay does the bee colony demonstrate? % (Round... more
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01/17/15

Half-Life #9
Radioactive Carbon-14 has a half-life of approximately 5730 years. It collects in living plants and plant-eating organisms and will start to decay once the organism dies. Assume an animal bone is... more
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01/17/15

Of a finance company`s loans, 1% are defaulted (not completely repaid). The company routinely runs credit checks on all loan applicants. It finds that....
Of a finance company`s loans, 1% are defaulted (not completely repaid). The company routinely runs credit checks on all loan applicants. It finds that 30% of defaulted loans went to poor risks, 40%... more
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01/17/15

what is the equation of the line through (-1, -2) with an undefined slope
find the equation for my question  so I can write it down
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