Answer:
Step-by-step explanation: the answer to all of them is b&:&3$,48x
And balls in ur jaws. Ur welcome
Answer:
x=3, z=-1, y=6
Step-by-step explanation:
you need to make the coefficients of each variable equal to each other then subtract 2 equations.
this one: multiply -4 in 1st
4x+4y+4z=32
-4x+4y+5z=7
_____________
8x+0-z=25
we have 2 equations with 2 variables now
2x+2z=4
8x-z=25
Answer:
The third one and the fourth one.
Step-by-step explanation:
61 x 5 = 305. Not 3050
381*27=10287. Not 1152
854*63=53802.
562*42=23604
72*30=2160. Not 270
Answer: -3 < or = -j < -7
Step-by-step explanation:
-1 < or = 2-j < -5
-1 -2 < or = -j < -5-2
-3 < or = -j < -7
sorry about the sign.