04/23/16

Statistics Probability 2
Assume that adults have IQ scores that are normally distributed, with a mean of 105 and a standard deviation of 17. Find the probability that a randomly selected individual has an IQ between 70 and... more
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04/22/16

Jean rides her bike to work. The office is 8 miles from her home, and she rides 12 mph. At what time should she leave to get to work at 8 a.m.?
 I don't understand what I have to do to solve this problem.    
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04/22/16

Geometry Word Problem
a circular stone has a diameter of 250 feet. a passage 62 feet long leads toward the center of the stone. find the perpendicular distance x from the end of the passage to either side of the stone
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04/21/16

the area of the rectangle is 252 sq ft. if the lenght is 28 ft, what is the perimeter ?
The area  of the rectangle  is 252  sq ft. If the lenght  is 28 ft, what is the perimeter?  
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04/21/16

If a have a green light what is its wavelength?
Say I bought a green colored light from the hardware store would there be a specific range for the light's wavelength to be or could it be any wavelength that we can see?
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04/21/16

question in description
Twenty percent of the shoes in a factory are black. One shoe is chosen and replaced. A second shoe is chosen and replaced. Then a third shoe is chosen. What is the probability that none of the... more
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04/21/16

In a data set, this is a measure of the most common number , or sometimes the most popular choice.
help with math
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04/21/16

Can I please get some help on these three questions???
 Compared to the parent function y = (1/4)^x, the function 4(1/4)^(x-2) - 3 is... [read all choices carefully]  ...shrunk by a factor of 1/4, shifted right by 2, and shifted down by 3 ...stretched... more
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04/21/16

Calculus help please meaning of the value of the integral
 Use a graph of the function to explain the geometric meaning of the value of the integral.
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04/21/16

math problems.
acob is baking chocolate.the recipe uses 3/4 cup of sugar. jacob wants to use onehalf of a batch. how many cup of sugar does he needs.
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04/21/16

Indefinite/Definite Integrals
I need help solving a couple of indefinite/definite integrals. It seems all of my homework problems have done the less complicated ones so I'm not sure how to do these ones:First problem:... more
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04/21/16

A linear function has a y-intercept of 6 and passes through the point (-4,5). What is the rate of change of the function value y with respect to x?
A linear function has a y-intercept of 6 and passes through the point (-4,5). What is the rate of change of the function value y with respect to x?
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04/21/16

what is the proble this is;2d-4=8
what is the answer to 2d-4=8 to algebra in math
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04/21/16

Statistics
Roxie Balboa, the fighter that you are willing to represent had 50 fights, winning 47 and losing 3 fights. Calculate the possibility that she will win her next fight. Calculate the possibility that... more
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04/21/16

trigonometry
Find the exact value of the composite function below tan(cot-1 (-1/3)
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04/21/16

Differential equation Problem with separating variables
I'm having difficulties, generally, with solving problems with differential equations. I hope to see a pattern and find solutions eventually myself by having detailed solutions to for example the... more
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04/21/16

word problem
The monetary systems in Australia and New Zealand have six coins: 5 cent,20 cent,50cent, $1 and $2. The price of any item is rounded to the nearest 5 cents.At the end of the Ellen's vacation in New... more
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04/21/16

how to find side lengths of a parallelogram
A parallelogram has sides of lengths 5 and 9, and one angle is 31°.   What is the length of the smaller diagonal?   What is the length of the longer diagonal?     your answer should be... more
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04/20/16

I need help with these two questions!!
The function y = (1/2)(3)^x is an example of  a quadratic equation a higher order polynomial exponential growth exponential decay       The function y = (4)(1/2)^x is an example of  a quadratic... more
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04/20/16

A box contains ten 1$ bills, five 2$ bills, three 5$ bills, one 10$ bill, and one 100$ bill. Find the expectation if one bill is selected
Word problems
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04/20/16

I need help with Stats
A personality scale has scores that are normally distributed with a mean of 150 and a standard deviation of 20. 1. What proportion of people score lower than a percentile rank=143 P(X<143)? 2.... more
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04/20/16

explain why it has no solution
 explain why x^2 = -2 has no solution
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04/20/16

differential equation
Solve the differential equation   dy/dx =x2/y2      for y = f(x) with the initial condition y(0) = 2.   
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04/20/16

differential equation
Write and then solve the differential equation for the statement: "The rate of change of y with respect to x is inversely proportional to the square root of y."
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04/20/16

Volume of 11.1mm,17.3mm and 4.9mm it's a cube
I need that answer its a cube size of a square
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