Friday
December 13, 2013

# Posts by dylan

Total # Posts: 316

Science
i have to do a research project on dolphins

geometry
The radius of a circle is 6cm and the arc measurement is 120 degrees, what is the length of the chord connecting the radii of the arc?

English 102

Math
Estimate to the nearest integer. Square root of -55

calculus
I posted one before but this is another one of those problems that i need help with! I don't know how to approach this one at all! Please help use the definition of the derivative to find f'(x) when f(x)= (4/x^2)+(2/5*x)

calculus

calculus
sorry! the numerator is 2+x and the denominator is x^3

calculus
I am learning derivatives and I despise having to use the definition of the derivative. Please check my answer for this particular one! it is different from the one I get by differentiating. The question: f(x) = 2+x / x^3 my answer: -6x^2-2x^2

math
Brown checked out 4 books and 1 videotape at the library. He returned them all 7 days late the library charges late fees at \$3.00 per week for a video and \$0.15 per day for a book. Write an expression that represents browns change if he paid his late fees with a \$10 bill?

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