Saturday
May 25, 2013

# Posts by alison

Total # Posts: 259

Calculus
Answers to any of these questions would be of great help! (: 1 a) At noon, ship A is 150km west of ship B. Ship A is sailing south at 50km/h and ship B is sailing north at 30km/h. How fast is the distance between the ships changing at 4:00pm? b) A spotlight on the ground is sh...

graphing
Can someone explain what quadrant this would be in and the domain and range. I have no idea how to graph it. G(x)= -3sin^-1 (2x)

Trigonometry
Oh okay thanks!

Trigonometry
Write as an algebraic expression in u. Tan(cos^-1 u)

MATH
-8. Plug in -6 for x and solve.

Quantatative Analysis
Use M1V2=M2V2 Plug in your given molarity and volume and solve for V1.

Trigonometry
Oh okay thanks a lot:) I was distributing sec and couldn't' get anywhere. I didn't think of writing it like that.

Trigonometry
Prove identity. Sec(pi-x)=-sec x

TRIG
Verify the following identity. 1) sin(x+y) __________ = tanx+tany cosxcosy 2) Write cos3x in terms of cosx I cannot figure out how to solve for identities they are so hard. Any help appreciated!:)

Chemistry 105
Use Boyles Law. P1V1=P2V2 (33.0L)(1.1atm)=(P2)(10.0L) and solve for P2.

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