Thursday
December 12, 2013

Posts by Bree

Total # Posts: 91

Math
A bicycle wheel is 30 inches in diameter. a. To the nearest revolution,how many times will the wheel turn if the bicycle is ridden for 3 miles? b. Suppose the wheel turns at a constant rate of 2.75 rev per second. What is the linear velocity in mph of a point on the tire?

Chem
How many deciliters of carbon dioxide are produced when .38L of SO2 is formed?? Thanks :)

Science
If a blood cell is placed in distilled water, what would the water be decribed as? hypotonic or hypertonic solution?

Science
A hypertonic solution is likely to contain many/no electrolytes. Is is many or no electrolytes?

algebra
This is a response to bobpursley's answer of Pr(0) = .3; Pr(1) = 7*.3; Pr(2) = 7*.7. Can you show me how you arrived at the above answers? Also, what does * mean? Thanks.

algebra
a basketball player shoots 70% of freethrows he has a 1 an 1 what is the probability of him shooting o,1,2 points

Science
If a radioactive isotope has half life of 5 days,how long will it take for its radioactive strength to be a maximum of one thousandth,(1/1000) of its original value?

math (interests & percentss)
i need help with these problems below ! mike deposited \$500 for 9 months at 8%, compounded quarterly. a. how many times was interest added to mike's account? b. what percent interest was added each time? c. what was the balance in mike's account at the end of 9 months?...

Chemistry
A sample of gas collected over water at 42 C occupies a volume of one liter. The wet gas has a pressure of 0.986 atm. The gas is dried, and the dry gas occupies 1.04 L with a pressure of 1.00 atm at 90 C. Using this information, calculate the vapor pressure of water at 42 C. W...