X+Y=78
Y-X=20
x*ysquared
2007-09-01 21:32:23 · 4 answers · asked by ♥Come Break Me Down♥ 2 in Science & Mathematics ➔ Mathematics
DJ you DORK!
2007-09-01 21:38:23 · update #1
haha you're wrong banana
2007-09-01 21:41:22 · update #2
KEITH I LOVE YOU!!!!! You'Re right!!! WOohoO!
2007-09-01 21:44:57 · update #3
Question 1
x + y = 78
-x + y = 20------ADD
2y = 98
y = 49
x + 49 = 78
x = 29
x = 29 , y = 49
Question 2
x y ² = (29) (49) ² = 69,629
2007-09-01 23:03:37 · answer #1 · answered by Como 7 · 1⤊ 0⤋
Y is 20 more than X so 78-20 = 58
58/2 = 29
X=29
Y=29+20 = 49
so 29*49*49 = 69629
2007-09-02 04:42:55 · answer #2 · answered by Anonymous · 1⤊ 0⤋
X + Y = 78
X + (20 + X) = 78
2X = 58
X = 29
Y = 59
X*Y^2
= 29 * 59 * 59
= 100949
2007-09-02 04:40:05 · answer #3 · answered by Bananaman 5 · 1⤊ 1⤋
ambot!
2007-09-02 04:36:46 · answer #4 · answered by Anonymous · 0⤊ 1⤋