Thursday
December 12, 2013

# Posts by Alejandra

Total # Posts: 74

Marlon has 4 cards, Jake has 4 cards, and Sam has 3 cards. Can you write a multiplication sentence to find how many cards they have in all? Explain

statistics
The caffeine content of a cup of home-brewed coffee is a normally distributed random variable with a mean of 115 mg with a standard deviation of 20 mg. (a) What is the probability that a randomly chosen cup of home-brewed coffee will have more than 130 mg of caffeine? (b) Less...

Physics
A 4.52 kg block slides down a smooth, fric- tionless plane having an inclination of 31◦ . The acceleration of gravity is 9.8 m/s2 . Find the acceleration of the block. Answer in units of m/s2.

algebra
i have a homework problem that i dont know how to do it the question to the problem says: Find the value of expression.identify the property used in each step and the problem is:7(10-1x3)

physics
A 3.0 kg block is pushed along a horizontal floor by a force F of magnitude 19 N at an angle θ = 30° with the horizontal. The coefficient of kinetic friction between the block and floor is 0.25.(a) Calculate the magnitude of the frictional force on the block from the ...

math
they burried him six feet down and eight feet up

changes in matter
What happens whensodium chloride and silver nitrate react in a replacement reaction?