1,642 Answered Questions for the topic Math Help For College

Math Help For College Frequency

05/09/15

Frequency Math Question
Which of the following frequencies will sound good (= little to no dissonance) with played simultaneously with 264 Hertz (a frequency often associated with C4, or “Middle C”).    a) 165 Hz b) 346... more
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Math Help For College Fractions Help

05/09/15

Math Fraction Help
A band estimates that 3/8 of people on its mailing list has seen the band play exactly once, and that 7/16 of people on its mailing list have seen the band play more than once. What fraction of... more
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Math Help For College

05/07/15

The Question I need help with is below
The data below represents the federal minimum hourly wage for various years.Year (x) 1980 1985 1990 1995 2000 2005 2010Wage (y) 3.10 3.35 3.80 4.25 5.15 5.15 7.256. Find the slope of the line... more
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Math Help For College

05/05/15

when 50 percent of a number is added the result is 150
please help.
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Math Help For College Word Problem Word Problem Help

05/04/15

Math Word Problem Help
A small summer music festival has 11 acts which play sequentially on one stage. The first band goes on stage at noon, and the last band finishes at 8:00 PM. If the first 8 bands average 38 minutes... more
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Math Help For College Math Help Averages Word Problem Help

05/03/15

Math/Average Question
In January a band plays 6 shows and averages 120 people at each show. In February this band plays 4 shows and averages 90 people at each one. What is the average number of people at each show which... more
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Math Help For College Music Word Problem Math Help

05/03/15

Math/Music/Hz Word Problem
An acoustic guitar’s (lower) E-string is 65 centimeters long from bridge to nut and vibrates at a frequency of 165 Hz (E3). When that string is pressed down just behind the third fret, it vibrates... more
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Math Help For College Word Problem Word Problem Help

05/03/15

Math Word Problem Help
A conductor notes that the number of mistakes her orchestra makes one week before performance is proportional to the length of the piece. One piece is 22 minutes, 30 second long and the conductor... more
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Math Help For College Word Problem Word Problem Help

05/03/15

Math Word Problem
Suppose the average merch sales at a show is in proportion to how many people purchased tickets. One night a band sells 180 tickets, and at the show it sells $780 of merch. One week later, the band... more
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Math Help For College Exponential Equations

05/02/15

Solving Exponential Equations? Help?
Hello, I am having some trouble with exponential equations here.    2^1-3x = 5^x+1   The problem I am having with this equation here, is that there is a 3x, which is locked together, and the... more
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Math Help For College

04/30/15

Julie has 66 stuffed animals, which is eight fewer than twice the number of stuffed animals carly has.
Write me an 2 step equation using this problem
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Math Help For College

04/27/15

word problem
Here is the problem:   impulses in nerve fibers travel 397 kilometers in 3.2 hours. What is the rate or speed in km per h?    
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Math Help For College Math Word Problems Interest

04/24/15

Please help me solve this word problem about money increasing and compounded semiannually
If $500 is deposited to an account paying 4.2% interested compounded semiannually, how long it will take for the account to increase to $900?(Round your answer to the whole number)
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Math Help For College Math Equations

04/23/15

Solve the equation. (Write your answer from the smallest to the largest number, with comma and no space)
x^3-11/4 x^2+5/4 x+1/2=0
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Math Help For College Math Equations

04/23/15

Solve the equation. (Write your answer from the smallest to the largest number, with comma and no space)
3x^3-11x^2-6x+8=0
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Math Help For College Calculus Math Help Mathematics

04/23/15

Calc 3 question? Consider the transformation x=vcos(2piu), y=vsin(2piu)
Consider the transformation x=vcos(2piu), y=vsin(2piu) a)Describe the image S under T of the unit square R={(u,v,)|0<u<1,0<v<1} b)Find the area of S
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Math Help For College

04/23/15

what is the answer to P(10,10) and why?
college algebra
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Math Help For College

04/22/15

help with a math problem
my question is to find the circumference circle 29m the exact and then find the approximation useing 3.14
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Math Help For College Math Word Problem

04/20/15

College Algebra MAT 105 Word Problem
A research submarine is at a depth of 7 miles directly beneath a point 3 miles due east of an ocean buoy at the same time a military submarine is at a depth of 1 miles directly beneath a point 18... more
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Math Help For College Math Inequalities Inequality

04/20/15

Solve the inequality and write your answer in interval notation
x^2+3x-10/x^2+3x-4>0
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Math Help For College Probability Permutations Combinations

04/20/15

How many different values are possible for the random variable Y?
involving drawing calculators from a box of working and broken calculators. Assume that the box contains 14 calculators: 12 that work and 2 that do not work. A sample of 3 calculators is selected... more
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Math Help For College Probability Permutations Combinations

04/20/15

How many different values are possible for the random variable X
Assume that the machine yields the item selected 70 percent of the time, and returns nothing 30 percent of the time. Three individuals attempt to use the machine. Let X be defined as the number of... more
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Math Help For College Probability Permutations Combinations

04/20/15

How many different values are possible for the random variable X?
involving the selection of two students from a committee of students. Assume that the committee is made up of 2 males and 5 females. Two are selected at random, and a random variable X is defined... more
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Math Help For College Probability Sets Conditional Probability

04/20/15

What is the expected value of the coin selected (in cents)?
Assume that the drawer contains 12 coins: 3 quarters, 5 dimes, and 4 nickels. One coin is randomly selected.What is the expected value of the coin selected (in cents)?
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Math Help For College Math Math Question Math Word Problem

04/19/15

story problem math please explain in detail
she needs to prepare 130 pounds of coffee beans selling for $4.46 a pound. shes going to blend together a high quality bean costing 5.50 a pound, and a cheaper bean at 3.25 per pound. to the... more
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