08/05/16

dividing fractions with x
(x^2 -1)/(x-1)    can I divide the X^2 by the x, and the -1 by the -1 to give me  x+1, or do I need to separate it into    x^2/(x-1)  and -1/(x-1)  to get    -x + -1/(x-1)
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08/04/16

What measure of central tendency does not accurately represent the meal costs given below? $5.75, $4.25, $6.50, $5.75, $4.50, $20.20, and $5.50
The answers are either Mean, Mode, Median, or All measures represent the data accurately.   I want to know if it is either the last answer or the mean because of the meal cost $20.20 which gives... more
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08/04/16

What is the value of X?
A see saw is exactly in balance.  The weights of the people sitting on it are 50kg,  Xkg and 15kg. They sit at distances of 1.5, 1.5, and 2m from the pivot respectively.  What is the value of X?
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08/04/16

Rational function equation
Write an equation for a rational function with:Vertical asymptotes at x = -2 and x = -1x intercepts at x = 5 and x = 4Horizontal asymptote at y = 9y =
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08/04/16

Help me solve this radical equation.
I realize that I didn't properly type out my problem last time. If someone could help me solve this problem, that would be great. Thank you! x-6=√(19x+36)
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07/31/16

Given f(x) = 2x, g(x) = x + 4 and h(x) = x2, evaluate f(g(h(4))).
i need help solving this equation.
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07/30/16

Exxplaining Induction pt 2
What I am really looking for here is an explanation as to why this process is actually able to prove that a statement is true for all values of n. Try to make your example non-mathematical and... more
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07/30/16

Find consumer surplus for demand Q(d) = 1400 - 10P and supply Q(s) = 20P - 400?
Find consumer surplus for demand Q(d) = 1400 - 10P and supply Q(s) = 20P - 400?
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07/28/16

Benford's Law
It is a striking fact that the first digits of numbers in legitimate records often follow a distribution known as Benford's Law, shown below.First digit 1 2 3 4 5 6 7 8 9Proportion 0.289 0.156... more
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07/10/16

Mixture. A mechanic has 340 gallons of gasoline and 17 gallons of oil to make gas/oil mixtures. He wants one mixture to be 6 % oil and the other mixture to be 2
Mixture. A mechanic has 340 gallons of gasoline and 17 gallons of oil to make gas/oil mixtures. He wants one mixture to be 6 % oil and the other mixture to be 2.5 % oil. If he wants to use all of... more
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07/10/16

3x + 5 =11
what is the procedure to solve this equation? 
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07/09/16

A rectangular auditorium has 2464 people.The number of seats in each row exceeds the number of 12. Find the number of seats in each row.
A rectangular auditorium seats 2464 people. The number of seats in each row exceeds the number of rows by 12. Find the nynberof seats in each row
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07/07/16

Mary, who is sixteen years old, is four times as old as her brother. How old will Mary be when she is twice as old as her brother?
Mary, who is sixteen years old, is four times as old as her brother. How old will Mary be when she is twice as old as her brother?
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07/07/16

Value Mixture problem
How much water must be evaporated from 16 qt of a 55% antifreeze solution to produce an 80% solution?
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07/07/16

Quick, Stupid math question. What is this called and what is the formula I can use to find the probability:
There is a 60% chance of X occurring, and I attempt event X five times? What is the chance X will happen once? What about twice? Or three times? Etc
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07/03/16

f x dollars are invested at 10% for 6 years, the future value of the investment is given by S (x) = x + 0.6x.
f x dollars are invested at 10% for 6 years, the future value of the investment is given by S (x) = x + 0.6x.a. Find the inverse of the function.b. What do the outputs of the inverse function... more
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06/25/16

Using Table A-2: The probability of a z score below 1.27 is
Using Table A-2: The probability of a z score below 1.27 is: 0.8980 0.2452 0.9669 0.3679
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10/28/13

f the average score is 122 and the standard deviation is 35, what percentage of students scored between 52 and 122?
stastics and probablity
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10/26/13

The Problem is a word problem. A airplane leaves Los Angeles for Denver at a speed of 440 mph. Thirty minutes later a plane going from Denver to Los Angele leav
The Problem is a word problem. A airplane leaves Los Angeles for Denver at a speed of 440 mph. Thirty minutes later a plane going from Denver to Los Angele leaves Denver with is 850 miles away at a... more
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10/21/13

x^2+1=2x+1
Hi,    I am having trouble Finding out what the solution is for x. Can you please show me what the solution  is to x and how you got it please?
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10/21/13

What is 2.75 as a rational number?
What is 2.75 as a rational number?
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10/20/13

Probability- Decision making
There is a 0.25 probability that the temperature will drop below freezing, and Best Orange Company has to decide on whether or not to fire up its smudge pots to protect its $9500 crop investment.... more
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10/20/13

solving Word Problems
By air, the distance from Melbourne, Australia, to Cairo, Egypt, is 2338 miles more than the distance from Madrid, Spain, to Bangkok, Thailand.  If the total of these distances is 15,012 miles,... more
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10/19/13

Polynomial questions
 I have already done it before but am not sure of my answer .                                           (1) list the coefficient Identify the given polynomial as monomial,binomial, or... more
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10/16/13

Jeff is 2 years younger than Carrie. 12 years ago, Carrie was twice as old as Jeff. How old is Jeff now?
Jeff is 2 years younger than Carrie.  12 years agao, Carrie was twice as old as Jeff. How old is Jeff now?
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