1. http://i209.photobucket.com/albums/bb248/pielover757/word1.jpg
2. http://i209.photobucket.com/albums/bb248/pielover757/word2.jpg
3. A box contains 4 blue chips and 5 black chips. If two chips are drawn at random with REPLACEMENT, what is the proability that both will be blue?
4. http://i209.photobucket.com/albums/bb248/pielover757/word3.jpg
2007-06-29 08:12:33 · 3 answers · asked by Asgardfanofpie 1 in Science & Mathematics ➔ Mathematics
1.
[A]
2.
x, y, n, z
x+z = 55 - y
15+21= 55-19
36 = 36
[D]
4.
(x-2)/3 - 3/4 = x/6
(4x-8-12)/12 = x/6
(4x-20)/12 = x/6
6(4x-20)=12x
24x-120=12x
24x-12x=120
12x=120
x=10
[E]
2007-06-29 08:31:22 · answer #1 · answered by fofo m 3 · 0⤊ 0⤋
1. A
2. D
3. (4/9)^2 = 16/81
4. None of these (should be 17/2)
2007-06-29 15:27:10 · answer #2 · answered by ironduke8159 7 · 0⤊ 0⤋
1.A
2.D
3.4/9mutiply4/9=16/81
4.E
2007-06-29 15:21:49 · answer #3 · answered by peach 1 · 0⤊ 0⤋