01/05/16

HELP PLEASE!!
Beth bought 6 apples and 4 pears for $14 the next week she bought 8 apples and 3 pears for $14.50. What is the cost for one apple and one pear
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12/21/15

The longest side if a triangle is six units more than the shortest side. The other is twice the length of the shortest side. P=25. Solve all three sides
Please help with this. I really struggle on this question.
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12/12/15

The area of the rectangle is 42 square feet. Find the length of the rectangle.
rectangle is drawn so what is the width is 1 feet shorter than the length.area of the rectangle is 42 square feet. Find the length of the rectangle.
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12/09/15

Help please?
Marissa and Kendra are 2 years apart in age. Their ages are two consecutive even integers. Kendra is the younger of the two. If Marissa's age is added to twice Kendra's age, the result is 38. How... more
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11/30/15

you buy a book that is 540 pages long. You can read about 30 pages per hour. How long does it take you to read the book?
pre algebra question...so simple yet my brain is going to explode
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11/29/15

How does this equation simplify?
The equation is (2x+1)(3x)    From what I know, wouldn't you multiply 2 by 3, then add the x's which would be 6x2. then leave the one, so then you have 6x2+1. But the answer I found out is 6x2+3x... more
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11/27/15

derivative help
d/dx(2/3 x^3+πx^2+7x+1)   Evaluate the derivative below.
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11/27/15

Find y if 2x + 4y=2 and 4x+y=18
Find y if 2x+4y=2 and 4x+y=18
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11/27/15

Please help me with the following question
I buy a packet of sugar and a packet of rice. The rice is 2 1/2 times as heavy as the sugar. Sugar cost $1.10 a kilogram and rice costs $1.25 a kilogram. I pay the shopkeeper with a $10 and get... more
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11/25/15

Let f(x) = -3x - 4 and g(x) = 2x - 6. Find (fog)(-7)
I've never done these types of questions before
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11/24/15

a^12-4a^2 factor
Helpp meeeeeeeee  a^12-4a^2 factor does ths work?
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11/24/15

The sum of two numbers is 27. One number is three more than two times the other number. What is the larger of the two numbers?
Hello.. Do anyone know how to set up this equation.  Can someone help me please? Thank you
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11/24/15

A petroleum company has two different sources of crude oil. The first source provides crude oil that is 70% hydrocarbons,
A petroleum company has two different sources of crude oil. The first source provides crude oil that is 70% hydrocarbons, and the second one provides crude oil that is 95% hydrocarbons. In order to... more
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11/22/15

if an item cost D dollars and is discounted by 12%, what is the discounted price?
if an item cost D dollars and is discounted by 12%, what is the discounted price?
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11/22/15

Cyd invested in one stock that earned 10% return, then invested twice that amount in IBM stock with a 12% return
Cyd invested in one stock that earned 10% return, then invested twice that amount in IBM stock with a 12% return. the total return from both investments was $2890. how much was invested in each stock
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11/22/15

Angela made the trip by bus in 16 hours and the return trip by car in 20 hours. A bus traveled 10 miles per hour faster than the car. How far was the trip?
Distance = rate x time
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11/22/15

a photo studio offers portraits in 8x10 and wallet-sized formats.
a photo studio offers portraits in 8x10 and wallet-sized formats. One customer bought two 8x10 portraits and four wallet-sized portraits and paid $52. Another customer bought three 8x10 portraits... more
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11/22/15

5/8 of 75m in mixed numbers
5/8 of 75m in mixed numbers
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11/20/15

The length of a rectangle is 2 meters more than 2 times the width. If the area is 12 square meters, find the width and the length.
The length of a rectangle is 2 meters more than 2 times the width. If the area is 12 square meters, find the width and the length.
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11/20/15

If you have 1million dollars and spend $0.50 every second. How long will it take you to spend all of your money
If you have 1million dollars and spend $0.50 every second. How long will it take you to spend all of your money?
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11/20/15

Two times the sum of negative three & a number x is y
I dont understand how 2 make this a problem 
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If

11/18/15

A strip of paper is9/10 inches long.You need to cut the paper into 3/12 inch pieces. How many pieces will you be able to cut?
Math homework sheet 6 the grade math
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11/18/15

On Tuesday Abhasra bought ten boxes. On Wednesday half of all the boxes that she had were destroyed. On Thursday there were only 25 left. How many did she have
On Tuesday Abhasra bought ten boxes. On Wednesday half of all the boxes that she had were destroyed. On Thursday there were only 25 left. How many did she have on Monday?    8th grade... more
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11/17/15

Find the dimensions of the garden that minimize the cost
A landscape architect wished to enclose a rectangular garden on one side by a brick wall costing $30/ft and on the other three sides by a metal fence costing $10/ft. If the area of the garden is 22... more
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11/15/15

A spherical water tank has a diameter of 54ft. How much cubic feet of water is in the tank if it is filled to 2/3 of its capacity?
Thanks in advance!
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