Steve S.

Math Help

03/16/14

Find the integral?

Find the integral e^(2x)/(1+e^x) dx. Answer: e^x-ln(1+e^x)+C

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Math Algebra

03/16/14

The expression (4 b^{2} c^{-4})^{-5} (5 b^{2} a^{3})^{-4} equals na^rb^sc^t

The expression (4 b^{2} c^{-4})^{-5} (5 b^{2} a^{3})^{-4} equals na^rb^sc^t where n, the leading coefficient, is: ____and r, the exponent of a, is: ____and s, the exponent of b, is: ____and finally... more

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Trig Identites

03/16/14

what is cos(x)cot(x)=cosec(x)-sin(x)

how do i prove it, i have tried everything and tried all the identities it only comes as cos + cot not cos multiplied by cot. i am definately doing something wrong but i dont know what. but i do... more

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Math Help

03/16/14

Find the integral?

Find the integral of (2x-1)/(sqrt(4x-4x^2)) dx. Answer: (-1/2)*sqrt(4x-4x^2)+C

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Trigonometry

03/16/14

csc^2 theta divided by cot theta

I need help solving this problem

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Full Answer

03/16/14

How much aspirin will remain from the 256 milligrams after 105 minutes?

the half-life of asprin in a person's bloodstream is about 15 minutes. if a person's bloodstream contains 256 miligrams of asprin, how much of that asprin will remain after 105 minutes?

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Bus. Math

03/16/14

58.52 is 22% of what number?

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Algebra 2

03/15/14

Binomial distributions

(x+y)^5(4x+y)^4(2x+y)^5(n+2m)^4At hopewell high school, 1 in 7 students is on a sports team. There are 4 student council representatives in the school. What is the probability that 2 of the student... more

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Collage Math

03/15/14

graph inequalities 4x+10y, and -6x-8y and find their point of intersection

graph the inequalities 4x+10y< 40 and -6x-8y<48 to find their solution, and find their point of intersection. Choose a graphing method for 4x+10y<40. what is the answer and how do i do it

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Algebra 1

03/15/14

how do you factor sums of cubes;t^6+1

how do you factor sums of cubes like t6 +1 thank you in advance

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Other

03/15/14

Was the rain fall of the 11th of January less than 4.75mm? Explain. |

the average rainfall in miami fir the 1st of january to the 10th of january was 4.75 milliliters. after including the rainfall measurement of the 11th of january, the new mean became 5 milliliters.

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Math Help

03/15/14

4x+y=5 Find an ordered pair that is a solution to the equation.

Find an ordered pair that is a solution to the equation. 4x+y=5

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Percentage/ Proportion

03/15/14

percentage

68% of John's school are boys and there are 180 more boys than girls. How many students altogether?

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College Algebra

03/14/14

If &2,000 left in an account for 5 years earned interest of $600, then how much interest would be earned in 6 years.

For a given interest rate, simple interest varies jointly as the principal and time.

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Constructing Using A Compass And A Srtaightedge

03/14/14

what is the difference between using a drawing program to construct a figure and a straigtege and acompass

Oliver uses a compass and a straightedge to construct a square inscribed in a circle. Claire uses a drawing program to construct a square inscribed in a circle. In your own words, describe... more

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Percents

03/14/14