12/02/14

Word Problem
The towers of a suspension bridge are 800 feet apart and rise 162 feet higher than the road. Suppose that the cable between the towers has the shape of a parabola and is two feet higher than the... more
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12/02/14

draw 4 hearts in a row form 52 deck of cards when the drawn card is returned to the deck each time
what is the probability of drawing four hearts in a row from a standard deck when the drawn card is returned to the deck each time
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12/02/14

Missed this day of class & have no idea how to solve :(
9x=1/cubed root 3   7x-2/6=square root 7
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12/02/14

How much of the 75% mixture will you need to add to obtain the desired solution?
You need a 45% alcohol solution. On hand, you have a 450 mL of a 20% alcohol mixture. You also have 75% alcohol mixture. How much of the 75% mixture will you need to add to obtain the desired... more
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12/02/14

Change the expression from the form ax^2+ bx + c to the form a(x + h)^2 + k
Change the expression from the form ax2 + bx + c to the form a(x + h)2 + k   5x2 + 10x -2   thank you!
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12/01/14

can't remember how to do these kinds of questions
Jasmine and Paul are selling fruit for a school fundraiser. Customers can buy small and large boxes of oranges. Jasmine sold 3 small boxes and 9 large boxes for a total of $162. Paul sold 9 small... more
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11/30/14

You want to make a 5 gallon mixture that contains 3 times more iced tea than lemonade by volume. Write a system of equations that represents the situation.
How many gallons of each do you need to make?
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11/30/14

Decide on why the Judge’s decision is considered to be a “Fair Division”. Why is this a “Fair Division”?
One very hot day, 2 farmers named Ram and Shyam sat cross-legged in the shade of a large neem tree. Both had tasty chapatis to eat for lunch. Ram had 3 pieces of the flat, round Indian bread. Shyam... more
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11/30/14

I need help solving this problem
3 monkeys lived on an island and hunted for food together. They put all of the coconuts they found in a large pile and went to sleep.During the night, the 1st monkey woke up hungry. He ate 1... more
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11/30/14

There are 20 students in a fraternity. In how many ways can a committee of 9 students be selected?
There are 20 students in a fraternity. In how many ways can a committee of 9 students be selected?   The number of ways to form a 9-student committee is?
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11/26/14

in how many ways can one write 12 into the sum of three positive integers?
in how many ways can one write 12 into the sum of three positive integers?
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11/26/14

Roulette wheels in Monte Carlo have no double zero, so there are 37 numbers on a wheel.
What is the probability of getting an even number on one spin of a roulette wheel in Monte Carlo? Express your answer as a fraction and as a percentage rounded to once decimal place. (Remember that... more
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11/26/14

factor expression
28x^2+84x+63Not sure how to answer this question.7(2x - 3)(2x - 3)7(2x + 3)(2x + 3)(28x + 1)(x + 63)Prime Polynomia
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11/25/14

Steve is 16 years older than Denise in 3 years he will be exactly 3 times as old as Denise will be, what is Steves current age ?
 I needd help !
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11/25/14

can you answer
A ladder 10 ft long leans against a wall. The bottom of the ladder is 6ft from the wall. The bottom of the ladder is then pulled out 3 ft bottom of the ladder is then pulled out 3 ft farther. How... more
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11/25/14

Factoring using GCF
So this Section is "solving quadratic equations by factoring", I got the hang of it, but stumped on a few. So one problem says 8y^2 -28y-60 and the answer is 4(2y+3)(y-5). I do not get how they got... more
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11/25/14

At the movie theatre, child admission is $5.10 and adult admission is $8.40 .
At the movie theatre, child admission is $5.10 and adult admission is $8.40 . On Tuesday, four times as many adult tickets as child tickets were sold, for a total sales of $1315.80 . How many child... more
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11/25/14

When 40 percent if girls left the assembly the ratio of boys to girls became 3:4
If w is the number of girls what was the total number of boys and girls at the assembly?
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11/25/14

Steve is 16 years older than Denise, in 3 years he will be exactly 3 times as old as Denise will be, what is Steve's current age ?
I really need help on this , please help me 
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11/25/14

Solve for x. Each figure is a parallelogram. This is a rhombus and this problem is difficult to solve. Please help me.
Angle W is undetermined, angle Y is undetermined, angle X=7x+1, and angle Y=27x+9
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11/25/14

A card game goes like this: You draw a card from a 52-card deck.
If it is a face card (jack, queen or king), you win $6; otherwise, you lose $2. What is your expected value for this game? (Round your answer to one decimal place.) I thought it was 36%. I missed... more
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11/25/14

perimeter of triangle=48,one side 14 units.if sides are integer them what is the smaller length of other two sides
explain in detail sir I am not getting .how to check .is there any trick to slove that
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11/24/14

In how many ways we can arrange the word TEACHER such that no two vowels should be together.
In how many ways we can arrange the word TEACHER such that no two vowels should be together.
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11/21/14

The price of admission to a high school play was $3.20 for students and $5.90 for non students..... Math problem help!
The price of admission to a high school play was $3.20 for students and $5.90 for nonstudents. If 537 tickets were sold for a total of $2185.50, how many of each kind were purchased?   I've tried... more
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11/21/14

What is the value of x when x + 10 = 4?
I need to know the value of x if x is x+10=4
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