Answer:
The solution I got is (4,2)
Step-by-step explanation:
When I plotted the equations on a graph, they intercepted at (4,2).
So, i did this,
7.8*10=70
and then add 12
i got 82
did this help??
Answer:
26. D) $252
27. A) -6.7 + 6.8
Step-by-step explanation:
26. 400 * 0.3 = 120
400 - 120 = 280
280 * 0.1 = 28 (because the 10% is additional, cannot add it to the original 30%)
280 - 28 = 252
27. -4.5 + 4.4 = -0.1
- 6.7 + 6.8 = 0.1
-0.1 + 0.1 = 0
Answer:
(3,9)
Step-by-step explanation:
u=(1,3) and v=(2,6),
u+v = (1+2, 3+6)
=(3,9)
Y=-2x+4 and y=-2x-5 (mark brainliest plss)