Answer:
The lines for each pair of equations are perpendicular, because the slopes for both of these have negative reciprocals.
Step-by-step explanation:
-5x+10y=5
x-2y=-1
2y=x-(-1)
2y=x+1
y=1/2x+1/2
Answer:
y = -2x - 3
Step-by-step explanation:
Answer: 11
Step-by-step explanation:
i did 3.5 x 3.14 = 10.99 and rounded to the nearest whole number, 11.
tvtr tStep-by-step explanation:
Answer:
A and D
Step-by-step explanation:
A. - 10 + 8 = -2
B. 10 + -8 = 10 -8 = 2
C. -10 + - 8 = -10 - 8 = -18
D. 8 + - 10 = 8 - 10 = -2
E. 10 + 8 = 18