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11/16/16

1. What % of (college) undergraduates admit cheating on tests? Answer: 39%
1. What % of (college) undergraduates admit cheating on tests? Answer: 39%
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11/16/16

Mary runs a 15 mile race in 2.5 hours. What it her speed in miles per hour.
This is part of my homework that I have finished but my parents are not here to check it and clarify whether it is correct or not so I am turning to this website to help me.    
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11/16/16

Find the circumcenter of triangle DEF with vertices D(-4,2) E(-4,-4) And F(4,-4)
Find the circumcenter of triangle DEF with vertices D(-4,2) E(-4,-4) And F(4,-4)
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11/16/16

(-5x+3)*(6x-2) domain
I ned the domain of this equation 
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11/16/16

In Nazi Germany, relativity and theoretical physics were dismissed as “Jewish physics” and rejected
according to the film copenhagen
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11/16/16

Probability Function
The probability density function f(x) of a continuous random variable X is:   f(x)={ -kx, If -1<x<o       ={k, If o≤x<1, where k is a positive constant.       ={o, otherwise. I, Graph... more
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11/16/16

What is the product of 5.92 and 100?
What is the product of 5.92 and 100?
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11/16/16

What is this formula for in the mathematic point of view?
I have derived a formula and I wonder what formula is similar to this one in a mathematical point of view?   F = (X2 - Y2)/ (X - Y )2   Is there any formula that looks like this one and is used... more
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11/16/16

when a pail is 5/6 filled with sand, its mass is 1805g. When the same pail is 1/3 filled with sand, its mass is 917g. What is the mass of the empty pail?
when a pail is 5/6 filled with sand, its mass is 1805g. When the same pail is 1/3 filled with sand, its mass is 917g. What is the mass of the empty pail?
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11/15/16

tree diagram
how many different answers are possible for a multiple choice test with 10 questions and five possible answers for each question?
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11/15/16

Word problem about interest
I'm in algebra 1 and I'm learning with a table with quantity, rate and valueA team of cancer researchers received a grant of $300000 to be used for cancer research. They deposited some in a 10%... more
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11/15/16

What's the next 2 terms in the sequence
81,27,9,3,_,_
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11/15/16

On day 20 his weight was 220lbs. On day 30 his weight was 215lbs. How many pounds does his weight change per day?
how many pounds does his weight change per day?
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11/15/16

Arithmetic Sequence Equation
Find the first four terms of the sequence:  I Don't know were to begin I know it should be a fraction?   Question is :   an = (-1)n+1 4n   a1 = ?   a2 = ?   a3 = ?   a4 = ?    
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11/15/16

What is the distance of each pair of parallel lines with the given equations y=-x and y=-x-4
step 1- equation of perpendicular line step2- point of intersection (system of equations) step 3- distance formula
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11/15/16

f(t)=1/T⌠1/t (1/x)ln(tx) dx
If      f(t)=     ⌠1/t (1/x)ln(tx) dx                                   1/T⌡ where T is a constant with the same physical dimensions at t, find f'(t). Try to write the answer in a form which... more
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11/15/16

John drove 169 miles in 3 hours 15 minutes. What was his rate in feet per second?
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11/15/16

What are some similarities between a rational expression and a rational equation?
 I'm confused on what the similarities are between a rational expression and a rational equation.
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11/15/16

a closet has three times as many hats as sweaters. The total number of hats and sweaters us 12 how many of each item is there?
i need help!
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11/15/16

factor comnpletely: 6x^3 + 9x^2 - 12xy
Please show step by step how to factor completely.  
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11/15/16

A student invest $3000 of his student loan and receives 400 dollars in interest over a 4 year period. What is his average yearly interest rate?
I can't figure it out 
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11/15/16

passwords on a certain website can have four to eight characters.
Any password can have at most one digit on this website. repetitions are allowed. how many four-character passwords are possible
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11/15/16

Make sense and preserve
Vi walks five days each week. She walks the e distance on the first two days. On days three and four, Vi walks half as far as on each of the first two days. On day five, she walks half as far as on... more
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11/15/16

Solve 3x^{2} + 6x + 6 = 0 using the quadratic formula.
please answer the entire question
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11/15/16

Simplify the following expression.
(3x^{3}y^{2}^-{2} •(18x^{8}y^{6}+ 4x^{2}y^{2}
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