09/23/14

word problem
In Tulsa,Oklahoma the sales tax is 7.9% if you buy an $850 television in Tulsa, how much tax will you pay? 
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09/23/14

Solve the formula for specific variable C=B+A/D for A
I need help.
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09/23/14

9 .5+4.7+3.2+7.5 equals to the nearest whole number without getting an overestimate or underestimate
How would you round the numbers in the equation 9 .5+4.7+3.2+7.5=x to the nearest whole number without getting an overestimate or underestimate
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09/23/14

I do not understand how to combine like terms can someone tell me the basics im a 9th grader
can someone please explain to me how to do like terms please?
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09/23/14

Differentiation
A curve has the equation y=3e2x. Find the value of d2y/dx2 at the point where the gradient is 3.   Ans:6   Thank You! :)
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09/23/14

having trouble making an equation for a word problem
The number of volunteers of a worldwide organization has increased 5.2 million in 2002 to 11.5 million in 2010.   Find an equation for the line containing the given points. Let x represent the... more
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09/22/14

2/3(3x+1)=5 solve
I am trying to help my son solve this algebra equation  
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09/22/14

two minor league baseball players got a total of 272 hits. Washington had 2 more hits then Sanchez. find the number of hits for each player.
find the number of hits for each player
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09/22/14

identify the solutions of the system equations if any
7x+2y=6 6x-2y=8
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09/22/14

identify the solutions of the system equations if any
X=1 Y=1
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09/22/14

550 tickets were sold. Students paid $4.00 each, while non-students paid $6.00 each. If a total of $2,594.00 was collected
How many students? How many non students?
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09/22/14

If Amy weighs 120 pounds at sea level, how much will she weigh on Pike’s Peak, which is 14,110 feet above sea level?
The formula for this is W(h)=m(4000/4000+h)^2
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09/22/14

A rectangular auditorium seats 3150 people. The number of seats in each row exceeds the number of rows by 13. Find the number of seats in each row.
Quadratic Equations and finding out how many seats that are in each row
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09/21/14

If 600 fish were tagged and thrown into a lake and later 480 were caught and only 12 were tagged, how many fish are in the lake?
This is a question on a chapter dealing with ratio and proportions.
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09/21/14

Convert 310/20 to a mixed number
I need help to solve this problem
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09/21/14

how to factor the gcf then factor it completely
3x2+15x
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09/21/14

I am working on multi step equation and need help I do not understand where to start or what to do question is 6r - 1 + 6r equals 11
I am working on multi step equations and need help understanding how to do it 6R - 1 + 6r= 11
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09/21/14

find the rate at which the area is increasing when the radius is 7 miles
An offshore oil well is leaking oil and creating a circular oil slick. If the radius of the slick is growing at a rate of 4 miles/hour
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09/21/14

An insect lays 80 eggs. If 70% of the eggs hatch and 80% of the hatched ones die before reaching adulthood. How many insects will reach adulthood?
Need steps
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09/21/14

Find the value of X for which (x+4)1/2 +2=0
Find the value of X for which (x+4)1/2 +2=0 
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09/21/14

What is the relationship between exponents and logarithms? How would you distinguish between the two, using both a graph and a sequence?
i am struggling with this section an could use a bit oh help thank you
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09/20/14

help me with a simple math formula I can't figure out
I have 6 pictures all 13" wide that I would like to space evenly across a 136" wide wall and its driving me crazy because I'm sure its a simple formula to figure out but could someone please tell... more
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09/20/14

how do I solve this word problem? I'm not sure if I have the correct answer.
the sales tax rate in New York city is 8 1/4%.How much city sales tax would be charged on a purchase of $428.86?What will be the total cost of the purchase?
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09/20/14

how do i solve this word problem?
A softball player had 13 hits in 25 times at bat.What percent of her times at bat resulted in hits?
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09/19/14

Solve, Express using positive exponents: Negative intergers as exponents, simplify if possible
5a^-7 b^4
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