Answer:
Step-by-step explanation:
2x - y + z = 4
4x - 2y + 2z = 8
-x + 3y - z = 5
2x - y + z = 4
-x + 3y - z = 5
x + 2y = 9
4x - 2y + 2z = 8
-2x + 6y - 2z = 10
2x + 4y = 18
x + 2y = 9
2x + 4y = 18
-2x - 4y = -18
2x + 4y = 18
0 =0
infinitely many solutions
There is an infinite amount of 10 digits numbers with at leas two 1s in it.
Answer:
you can buy 2 cookies
Step-by-step explanation:
4+1.5=5.5
8-5.5=1.5
1.5/.75=2
Answer:
4
Step-by-step explanation:
The answer is A: 1 coil in a spring that is 7 inches long
i am not sure so correct me if i am wrong
hope this helps