Wednesday
December 11, 2013

# Posts by Sue

Total # Posts: 761

Math
A bag contains 5red balls and 4 white balls. Two balls are drawn at random from the bag. The first ball drawn is put back into the bag before the second ball is drawn. What is the probability that the two balls drawn are both red?

Physics 100
A 355-g piece of metal at 48.0 degree celsius is dropped into 111g of water at 15.0 degree celsius.If the final temperature of the mixture is 32.5 degree celsius what is the specific heat of the metal?

physics
waves propagate down a 25 gram string at 35 m/s. If the string has a length of 1.5 meters, what is the magnitude of the tension acting on it?

Chemistry
How many moles of ammonium sulfate were released in 25.3 kg?

math
Sharon brought 12 apples to the picnic. After the picnic, 2 apples were left. What fraction of the apples were eaten.

us history
Why did nonviolence prove to be a successful strategy for confronting segregation?

UNIVERSITY OF PHONEX
x=5-7 need to find the order pairs for this equation.

math
Meera arrived at her grandmother's house at 8:00 a.m. First they made cookies. At 10:00 a.m. they played tennis. At 12:30 p.m. they mde sandwiches. At 12:45 they ate the sandwiches and the cookies. How much time did Meera and her grandmother spend making food?

math
A seismograph 300km from the epicenter of an earthquake recorded a maximum amplitude of 5.8*10^2lrm, find this earthquake's magnitude on the RicHTER scale to the nearest tenth.