Total # Posts: 1,120
Why do beryllium and fluorine combine in a 1:2 ratio? use page 194 in your textbook. Be is in group 2 (IIA) and has two electrons in its outer shell which it wants to give away. Flourine is in group 17 (VIIA) and has seven electrons. It needs one more to fill its outside shell...
December 3, 2006
A rifle is aimed horizontally at a target 46.0 away. The bullet hits the target 1.60 below the aim point. What was the bullet's flight time? What was the speed of the bullet as it left the barrel?
November 2, 2006
Okay i have to for class monday present a speech thingy about Queen Elizabeth I... Like your in groups and one of us has to dress up like that person(queen) and the other two interview them! Soo like u need questions and answers...but heres the thing i can only come up with 4 ...
September 16, 2006
Solve for x. (l is the absoulte bar, not one) 3*l 3x-2 l -6 > l 3x-2 l We're given; 3*|3x-2|-6 >|3x-2| Add -|3x-2| to both sides to get 2*|3x-2|-6 >0 Add 6 to both sides to get 2*|3x-2|>6 Divide both sides by 2 |3x-2|>3 This means 3x-2>3 or 3x-2<-3 3x-...
September 5, 2006
One number is 3 more that half of a second number. If the average of the two numbers is 31/2, find the smaller of the two numbers. PLEASE HELP. thanks! N-3=1/2 S N+S= 2*(31 1/2) help me
August 31, 2006
My teacher said to create an acrostic poem with the name EAST MILLBROOK and we have to fill it in with or goals for the year the only problem is she wants us to use words like exemplify instead or show. Please help me!!! This is what it should look like Exemplify A Show T M ...
August 29, 2006
(4,-2) and (2,-8) lie on the line Ax-2By = 28. What is the value of A? SOMEONE PLEASE HELP ME!! THANK YOU SOOOO MUCH! 4,-2) and (2,-8) lie on the line Ax-2By = 28. What is the value of A? Put the points in. First one. A4-2B(-2)=28 4A+4B=28 A+B=7 call this equation 1) second ...
August 23, 2006
what is the least common denominator? It is the smallest number into which all of the denominators in a series of fractions can be evenly divided. For instance, is you have fractions 1/2, 2/3 and 5/6, the denominators are 2, 3 and 6, and the least common denominator is 6. The ...
August 1, 2006
Its increasingly popular among the states to allow the public to place various propositions on the ballot. When more then 50 % of votes cast are in favor of a proposition, it is approved and becomes law unless its held up in the courts. For example, proposals ...
July 10, 2006
Explain how it's possible for actual GDP to temporarily exceed full-employment GDP. "full-employment GDP" is a defined concept. Full employment does not mean 100% employment -- an economy has a "natural rate of unemployment" and reflects the fact that ...
July 2, 2006