09/13/15

Pre-Cal Word Problem
Linh has obtained scores of 86, 73, and 71 on her midterm algebra exams. If the final exam counts twice as much as a midterm, what score must she make on her final exam to get an average score of 80?
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09/13/15

i need help on this ratio please i dont understand it thanks
a fruit basket contained apples and oranges in the ratio of 5:4. after joe ate one of the apples the ratio was 6:5. how many oranges are in the basket?
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09/13/15

if a backyard is a square and the area is 4,225 square feet what is the length of one side
i have an answer but it is not right and i do not understand why i got 1056.25 please help 
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09/13/15

Find B if P = 112 and R= 77 7/9%
find  B if P-112 and R =77 7/9 % what B =
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09/13/15

Find the ratio of their height.
A monument and a building were placed on the circumference of a circle of radius "r" ft. on the level ground, the angle of elevation of their tops at the center of the circle would be 30° and 60°... more
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09/13/15

The volume, V of a cylinder is given by the formula V=pie squared times height where the radius of the cylinder and h is the height . solve the formula for h
this is a word problem from chapter 2 of algebra 1, if possuble may I have steps with explanations 
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09/12/15

algebra 2 problem
I need to solve and simplify this problem 22x+1=8
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09/12/15

algebra 2 problem
(2/5)x = (8/125 I need to simplify and solve this equation
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09/12/15

You wish to borrow $18,000 to buy a new automobile. The rate is 8.6% over four years with monthly payments. Find the monthly payment. (Answer: $444.52)
I have to show the work to the answer, when the answer is given.Been working on it for several hours
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09/12/15

Probability word problem
Of a group of 30 cats, 24 eat tinned or dry food, 10 like dry food and 5 like both tinned and dry food. Find the probability that a selected cat likes only tinned food.   Answer 7/15, but how do... more
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09/11/15

algebra 2 problem
Solve the exponential equation express the solution and obtain decimal approximation ex=16.4   How is this done?
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09/11/15

How do you get from 6:7 to 39?
The school drama club sponsored a guessing game at a fair.They put some blue marbles and some green marbles in a box.People had to guess how many of each were in the box given two clues. 1.There... more
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09/11/15

story problem in the description
You want to meet your friend at a park 4 mi away from your house.  You are going to bike to the park at an average rate of 10 mi/hr.  Your friend lives 1.2 miles away from the park and walks at an... more
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09/11/15

Can someone please help me with these geometry proofs?
Can someone please show these proofs in no more than 4-5 steps. Starting with the Given and ending with the Prove. Use the statement and reason column idea. Thanks! These are a headache. 1) Given:... more
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09/11/15

Calculation query
Hi,I have a query regarding calculation.Please help me out. There are 3 exams Exam1 is out of 30 -In this student obtained 26 Exam 2 is out of 30 -In this student obtained 24 Exam 3 is out of 100... more
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09/10/15

The janitor found that it was leaking at a rate of 4 fl oz per minute. How fast was the pipe leaking in gallons per hour?
It is a word problem from a Algebra 1 common core book.
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09/10/15

This year 75% of graduating students at Walker high had taken 8 math courses.
This year 75% of graduating students at Walker high had taken 8 math courses. Of the remaining class, 60% had taken 6 or 7 math courses. What percent had taken fewer than 6 math courses?
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09/10/15

A baseball player's batting average is .254. If she is at bat an average of 3x per game, how many hits will she make in 52 games?
Show your work
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09/10/15

HELP! I dont understand my word problem
A= level A seats B= level B seats Mr.Conrad says that 540 ticket were sold for swan lake. Level A tickets are $56 each and Level B ticket are $38 each. The total for the ticket sales was $24,120.... more
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09/10/15

What is the distance between the two cities if my total traveling time was 32hrs?
On a vacation I averaged 50 mph traveling from Denver to Minneapolis. Returning I took a different route that covered the same miles, and I averaged 55 mph. What is the distance between the two... more
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09/10/15

how much should you charge for each scarf?
you make 35 scarves to sell at arts and apples this weekend and anticipate selling all of them. you spent $85 on materials and hope to make a profit of $90. How much should you charge for each scarf?
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09/10/15

The height of a triangular sail is 6 yards less than twice the length of its base. If the area of the sail is 40 square yards find the dimensions of the sail.
The height of a triangular sail is 6 yards less than twice the length of its base.  If the area of the sail is 40 square yards find the dimensions of the sail.
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09/10/15

A two stage experiment...
A two stage experiment consists of first rolling a die and noting the number and then flipping a coin and noting heads or tails. How many outcomes are in the sample space?
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09/10/15

An investor flips a house, selling it for $82,000. If her profit was 20%, how much did she pay for the house originally?
So, I figured out the answer is $65,600 by figuring 20% of 82,000 (16,400) and then subtracting that. My problem is figuring out the equation. 
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09/09/15

Math word problem
In India water lilies grow extremely fast. In one pond, a lily grew so fast that each day it doubled the area it covered. In 26 days it covered the pond. How long would it take 2 such lilies to... more
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