Answer:
False
Step-by-step explanation:
2x + y = 0
Try (1, -2)
2(1) + (-2) = 0
2 + (-2) = 0
0 = 0
The solution works on the first equation.
-x + 2y = 5
-(1) + 2(-2) = 5
-1 - 4 = 5
-5 = 5
The solution does not work in the second equation.
Answer: False
Answer:
x = 8.2
Step-by-step explanation:




The answer to this problem is 20.485
Answer:
9x - 15
Step-by-step explanation:
3[(x-5)+2x]
3(3x -5)
= 9x - 15
tadah!
Step-by-step explanation:
Area of triangular prism =1/2 ×base×height
550=1/2×22×h
h=550/11
h=50m
hope it helps.