Answer:
you can refresh the page or close brainly and open it again but that's all I got
Step-by-step explanation:
Answer:
-3x + 4 -y = 0
Step-by-step explanation:
Answer: 2014
Step-by-step explanation:
LED: -25x + 6y = 20
CFL: 15x + 2y = 322
we need to find which year it was the same to know where LED lighting surpassed CFL lighting
-25x + 6y = 20
15x + 2y = 322 (-3)
-25x + 6y = 20
<u>-45x - 6y = -966 </u>
-70x = -946
x = 13.51
The nearest year would be 14 which is 2014
Answer:
280 cups total.
Step-by-step explanation:
Tricky. The explanation and answers are on attached images.