# HELP!!!!!!!!!!!!!!

Most popular questions and responses by HELP!!!!!!!!!!!!!!
1. ## math

Express the radius r of a sphere as a function of the volume V it encloses.

2. ## math

The probability that John wins a game is 4/5, and, independently, the probability that Meghan wins is 9/11. What is the probability that Meghan wins and John loses the game?

3. ## math

Find coordinates for two points that belong to the plane 2x+3y+5z=15. Show that the vector [2,3,5] is perpendicular to the segment that joins your two points. Explain why [2,3,5] is perpendicular to the plane.

4. ## math

Which point on the circle (x-6)^2+(y-2)^2=90 is closest to the origin? Which point is farthest from the origin? Explain.

5. ## logs

when I have .5=(0.91)^t, could i do log(.5)/log(0.91) ?

6. ## math

The value of [cosx, sinx]• [cos(a + x), sin( a + x)] does depend on the value of a, but does not depend on the value of x. Explain why.

1. ## math

ok thanks!

posted on June 21, 2017
2. ## math

more specifically, do I multiply 1/5 and 9/11?

posted on June 21, 2017
3. ## math

do I multiply them?

posted on June 21, 2017
4. ## logs

ok thanks!

posted on May 22, 2017
5. ## math

what does (a,b,c) is normal to the plane mean? specifically, what do u mean by "normal"?

posted on April 17, 2017