Answer:
Each of the n tests must have two success p or failure q results, they are mutually exclusive. The probability of success p of an event is fixed or constant, likewise for the probability of failure q. The tests are independent.
Step-by-step explanation:
Answer:brainliest plsssss
Step-by-step explanation:
1/2x+15=x
X+30=2x
30=2x-x
30=x
Number of girls in class
30-12=18
☆ the number of girls in his class are 18
Domain is all Real Numbers and Range is from 0, but not including 0, to infinity. So it would be the first one
Answer:6,000
Step-by-step explanation:
Gross profit = Revenue - cost of goods sold = 57,000 - 15,000 = 42,000
Net profit = Gross profit - expenses = 42,000 - 36,000 = 6,000
