Saturday
December 7, 2013

# Posts by Sierra

Total # Posts: 185

art
what is the definition of pattern, in elements of design

spanish
how do you say, "what subjects are at your school.?"

statistics
Determine the sample size needed in order to be 95 percent confident the p, the sample proportion of HD television sets that last at least five years without a single repair, is within 0.03 of , the true proportion of sets that last at least five years without a single...

sciene
how do u research speeches on the internet {worldbiomes}.

Math
idk

Algebra
In solving the equation (x + 3)(x + 1) = 48, Eric stated that the solution would be x + 3 = 48 => x = 45 or (x + 1) = 48 => x = 47 However, at least one of these solutions fails to work when substituted back into the original equation. Why is that? Please help Eric to un...

Science
A football player has to push a blocking sled the length of a football field. What are two ways the workload for the football player could be increased?

Physics 6A
shortcut: \hat

Physics
In recent years, a number of nearby stars have been found to possess planets. Suppose, the orbital radius of such a planet is found to be 3.0 1011 m, with a period of 1000 days. Find the mass of the star.

math
I can't figure this out this problem.. estimate 20% of 131 by using 10%

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