Answer:
a c d i think those are answers
Answer:
D, x = (ln(0.5) - 1)/2
Step-by-step explanation:
8e^(2x+1) = 4
e^(2x+1) = 0.5
2x+1 = ln(0.5)
2x = ln(0.5) - 1
x = (ln(0.5) - 1)/2
Answer:
D. for the first one, A. for the second (not certain)
Step-by-step explanation:
1. 36/2 (two books every visit) = 18, multiplied by 3 because that's how many often he does to the library (every 3 weeks)
2. 13/2 = w/5 because for every 13 cups of water, there is two cups of cleaner, so for w (unknown amount of water) there would be 5 cups of concontrated cleaner.
Answer: 30
Step-by-step explanation:
50x .4 = 20
50-20=30