Since

, you have


Since

, and

, you know that

is also positive, which means
Answer:
2.45 seconds or 1.732 seconds
Step-by-step explanation:
Answer:
She should used 4.5 ounces of the 4% and 1.5 ounces of the 20%.
Step-by-step explanation:
x = amount of 4% fuel
6 - x = amount of 20% fuel
0.04x + 0.2(6 - x) = 0.08(6) Multiply both sides by 100 to remove the decimals
4x + 20(6 - x) = 8(6)
4x + 120 - 20x = 48
-16x + 120 = 48
-16x = -72
x = 4.5
She should used 4.5 ounces of the 4% and 1.5 ounces of the 20%.
Answer:
6, 0, 10
B
Step-by-step explanation:
Plug in the values of x into the equation to find the y coordinate. Then match the coordinates in the table to the graph.