Answers by visitors named: kelli

Thank you!

my teacher taught me how to do it like this but i cant seem to get an answer. try to follow my work and please help so the area for both sides is: A= 2x(2cosx) then i have to find the deriviative, which is: a= 4cosx-4xsinx (is this deriviative right?) then i have to set it equal to zero and solve but this is where i get stuck. can you help me with this part? 4cosx-4xsinx=0

30 grams?

This is just like that riddle~ Which is heavier, A pound of leather or a pound of feathers. You just add 20+10=30....

#8 sun # 12 is the equator

Okay, thank you

thank you Reiny.

The vertices of a parallelogram are A(x1, y1), B(x2, y2), C(x3, y3), and D(x4, y4). Which of the following must be true if parallelogram ABCD is proven to be a rectangle?

305 and 255