03/04/15

Word Problems?
One number is seven less than a second number. Six times the first is 2 times more than 2 times the second. Find the numbers
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03/04/15

Counting and Probability
Suppose Fred randomly thinks of 5 whole numbers between 1 and 31 inclusive. What is the probability that George can correctly guess all 5 numbers? ???(Express as a fraction.) Suppose Fred... more
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03/04/15

F(x)=1/3 t^3-5/2 t^2+80;(0=t =10) Find the intervals where the function F(t) is increasing and the intervals where it is decreasing.
The Department of Environment and Natural Resources began to record an index of environment quality that measured progress and decline in the environmental quality of its forests. The index for the... more
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03/03/15

quadratic applications
The difference of the areas of two squares is 147 square feet. Each side of the larger square is two times the length of a side of the smaller square. Find the length of a side of each square.
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03/03/15

I need help with a word problem for my homework.
There are about 954,930 air bubbles in 1 cubic centimeter of icecream. There are about 946 cubic centimeters in 1 quart. Use order of Magnitude to find the approximate number of air bubbles in 1... more
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03/03/15

Expected Value in Games
You and some of your friends decide to visit the Eastern Iowa state fair. One of your friends comes to you and says that he wants you to play this new game he found. He says he just played it and... more
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03/03/15

The following expression simplifies to 18a^5. Find the value of w and justify your answer
(6a3)w/2a
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03/03/15

Find the equation of tangent line when f(x)= 1 + lnx^4 at x=e
 This is for calculus and I am confused on what to do
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03/03/15

Lottery Question
Consider a lottery with 300 million tickets in which each ticket has a unique number. Each ticket sold for $1, and one ticket is drawn for a single prize of $75 million (and no other prizes). The... more
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03/03/15

How many different answer sheets can be submitted?
For this problem, assume the test had 8 true-false questions and 8 multiple-choice questions, and that each multiple-choice question had 3 choices.
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03/03/15

True or False Winds flow from areas of high pressure to other areas of high pressure.
I need help.  
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03/03/15

True or False The molecules in a solid have more thermal energy than the molecules in a gas
I need help please.  
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03/03/15

Show rate of event counts (70) per 10000 Departures (55164)
Show rate of event counts (70) per 10000 Departures (55164)
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03/03/15

the book has 85 pages of text and 145 pages of pictures. if u are on page 197 how many ages e left read
Math word problem
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03/03/15

Distance = rate x height
Jason can clean a tank in 6 hours. Jason and Lucy can clean it in 3.5 hours. How long does it take Lucy alone?
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03/03/15

possibility
Q. What is the lowest possible number of marbles can be distributed evenly among 6 or 20 peopleQ2. The Lollies are between 100 and 200 and can be divisible by 4 and 7?Q3.Last year both comets XS... more
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03/02/15

Math. Confused and lost
What is your expected value for a game where your probability of winning is 1/9 and your profit is four times your wager? (Round your answer to one decimal place.)
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03/02/15

$5.67 for 3 bagels and 4 muffins. $6.70 for 5 bagels and 3 muffins. Use a system of equations to find the cost of one bagel and one muffin
how much money per bagel and per muffin
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03/02/15

simplify the following expressions, leaving only positive exponents
(x5)0/x-9
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03/02/15

if you charge 4.95 per pound, how much is .6 of a pound?
If one pound is $4.95 then how much US .6?
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03/02/15

y have $500 american dollars. if 269 Mexican pesos is equivalent to $25 united states dollars, how much money will you get when you exchange your $500 for pesos
Its in geometry and I need help to set up the function
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03/02/15

Eileen saves dimes and quarters. She has 40 coins, which totaled $6.55, in her bank. How many of each coin does she have?
Eileen saves dimes and quarters. She has 40 coins, which totaled $6.55, in her bank. How many of each coin does she have?
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03/02/15

Vectors- River Race. who won the race?
a boy and a girl decide to have the "annual" who's the best contest. Both are capable of swimming at 4.000m/s. they decide to race from the south shore to a point directly north, on the opposite... more
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03/02/15

Need the monthly averange of number of orders I place correctly.
I'm trying to figure out an average here. It needs to be such as 99.58% or 97.45% (NOT 95 %) I need to show all four place values. So if I place 200 orders a month and 2 are wrong.  2/200 =.01 ... more
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03/02/15

Find the length, in feet, of the ladder.
A ladder of length 2x+1 feet is positioned against a wall such that the bottom is x−1 feet away from a wall. The distance between the floor and the top of the ladder is 2x feet.
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