Wednesday
May 22, 2013

# Posts by Sylvia

Total # Posts: 111

math
The United Nation declared that the world's six-billionth inhabitant was born on October 12, 1999 in Bosnia. Don't discuss what is not said. Discuss what is said. what is wrong with this statement according to what is allowed in statistics?

Chemistry
Let a= the percent of 6/3 Li let b= the percent of 7/3li a + b = 100 6.0151a + 7.0160b = 6.941(100) now solve like simultaneous equations in algebra

statistics
. A statistician needs to survey a sample of 50 people that is representative of voters in his community. He prepared a list of phone numbers of 50 randomly selected, expected voters. Next morning, he came to work at 8:00 and began to make calls. By 11:00 a.m., his survey was ...

math
divide both sides by 3x first to get 4x = 1 then x = 1/4

geometry
yes, draw them all on the same line

math
work equal force times distance so 14N x 6 meters= 84 J

algebra
can not draw just one figure to rep 150 percent.. draw two circle shade one completely and shade one only half way

math
EF is a median of isosceles trapezoid ABCD. Find EF if AB is equal to 3 inches, and CD is equal to 11 inches.

english
what is the value of a word

Physics
A train is sounding a horn of constant frequency shows down as it nears a station. What change in pitch is heard by a commuter standing in the station?

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