Wednesday
December 11, 2013

# Posts by GiGi

Total # Posts: 109

math
how did you get cos 2Ø after subtracting cos^2Ø-sin^2Ø?

math
convert to polar form: 1) x^2-y^2=4 (You may leave your answer for this one as r2 =) 2) x^2+(y-1)^2=1

math
convert from polar form into rectangular form. type the equation in rectangular form (simplified): 1) rsecθ = 3 2) r=5/cosθ-2sinθ 3) r=5cscθ

Math
A ship travels due north for 25 miles then changes course to a bearing of 300°. It travels on this path for 29 miles. How far is the ship from where it started?

Math
You multiply the whole number by the denominator, then add in the numerator keeping the original denominator. 4 itmes 1 is 4 and 4+ 3 = 7 so 7/4

calculus?
Hello can u help? I need a solution to calculus problem I have \$500.00 to spend on fencing for a garden. The fence for the street side costs \$30.00 per foot and the other three sides cost \$10.00 per foot. what dimensions will give you a rectangle for the largest possible area?...

chemistry
What is the molality of a solution containing 7.8 g of MgCl2 in 725 g of water?

college math