09/25/15

I need help on this math problem
x-x{x-x[x-x(x+1)]/x^3}
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09/25/15

work related problems
Sally and Kim complete a job together in 2 hours. Sally working alone completes the same job in 3 hours less than Kim working alone. How long does it take Kim to complete the job?
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09/24/15

Two angles form a linear pair. the measure of one angle is twice the measure of the other angle
Im kinda confused, help?
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09/23/15

APPLICATIONS
The distance that a free falling object falls is directly proportional to the square of the time it falls (before it hits the ground). If an object fell 91 ft in 6 seconds, how far will it have... more
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09/23/15

How to Express f(x)=lxl as a piecewise function?
Can you please show me the steps on how to express this into a piecewise function? I don't understand it at all.
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09/23/15

20 problems are given 5 points are given for each correct answer and 2 points are deducted for each incorrect answerscored 51 points how many correct answers?
on a mathematics quiz, 20 problems are given. 5 points are given for each correct answer and 2 points are deducted for each incorrect answer. Ashley scored 51 points. how many correct answers did... more
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09/23/15

a group of ducks and cows are in a field they have a total of 65 heads and 226 legs how many ducks are in the field
A group of ducks and cows are in the field they have a total of 65 heads and 226 legs how many ducks are in the field
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09/23/15

In a museum, the ratio of adults to children is 5 to 12. If there are 323 people in the museum, how many children are there?
In a museum, the ratio of adults to children is 5 to 12. If there are 323 people in the museum, how many children are there?
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09/23/15

Please help with this word problem!
A small theater has a seating capacity of 2000. When the ticket price is $18, attendance is 1500. For each $1 decrease in price, attendance increases by 100.   (a) Write the revenue R of the... more
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09/23/15

differentiate the function g(t)=2t^-3/4
Please help me
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09/22/15

A truck that costs 39,000 when new is expected to be worthless in 15 years. How much will it be worth in 9 years
how do I set up the equation in order to solve the problem INThis case 
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09/22/15

4x^2+12x=7
Solve by completing square
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09/22/15

Exponential and Logarithmic Functions
The demand equation for a consumer product is q = 80 - 2^p. Solve for p and express your answer in terms of common logarithms. Evaluate p to two decimal places when q = 60.
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09/22/15

Helpppp!!!??
Mr. Alvarez gives each of his students 4 sheets of paper and 16 sheets are left over. But if two students were absent, each of the remaining students would receive 5 sheets, with only 3 sheets left... more
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09/22/15

Finding a closed form for these summations?
Find a closed form for these summations?     n=100 a) ∑ 1/2    i=1           n=5b)  ∑ 1/3     i=1
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09/21/15

y = 18, when x = 5
Given the values of x and y, find an equation of variation in which y varies directly as x.
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09/21/15

The city has 120 feet of fencing for the playground. What dimensions of the playground will give the maximum area?
The city of Detroit wants to put a fence around part of the city park to make a playground. The city has 120 feet of fencing for the playground.  What dimensions of the playground will give the... more
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09/21/15

what is (0,0)
I need help in my vocab. words and I need to know what (0,0) is!!
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09/21/15

finding domain of (g) and (f)
suppose f(x) = {(1,10)(2,20)(3,30)(4,40)} and g(x) = {(10,3)(20,1)(7,2)(3,40)}   Find dom(g o f)     and find dom(f o g)
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09/21/15

Ross wants to cut a 40-foot rope into two pieces so that the length of the first piece divided by the length of the second piece is 2.
a. let x represent the first piece.  write an equation the represents the relationship between the pieces b. what values of x are not permissible in this equation? c.  solve the equation to... more
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09/21/15

math problems
A trapezoid is a four-sided figure with two of the sides, called the bases of the trapezoid, parallel to each other. If the lengths of the two bases are b1 and b2, and the distance between the... more
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09/20/15

Height of a kite
Grady is flying a kite on 50 ft of string. Its vertical distance from his hand is 10ft more that the horizontal distance from his hand. Assuming that the string is being held 5 ft above ground... more
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09/20/15

need help explaining
−7x(x− 2) + 2(x− 4) -7x^2 - 14x + 2x - 8 -7x^2 - 12x - 8   i need help to explain. This problem and is there any mistakes about how I wrote the problem out?
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09/20/15

College Algebra Word Problem
A girl is currently 5 years older than her younger brother and 3 years younger than her older brother. Two years from the current time, the product of the ages of the brothers will be twelve times... more
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09/20/15

Define a function f that determines the radius of the circle in terms of the circumference of the circle.
Recall that the area of a circle, A, (in square inches) is determined by the formula A=πr2 where r is the radius of the circle (in inches). The circumference of a circle, C, is determined by the... more
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