Answer:
please mark my answer brainliest
Step-by-step explanation:
the correct name will be QP...or QR
Answer:
The mathematical expectation of a student who purchases 10 tickets is -$39.65.
Step-by-step explanation:
A student that purchases 10 tickets out of 2900 has a probability of winning the cruise that can be calculated as:

Each ticket cost $5, so he has spent $50 for the 10 tickets.
Then, the expected value of this operation is equal to the expected value of the earnings (probability of winning the prize multiplied by the value of the prize), minus the costs:

The mathematical expectation of a student who purchases 10 tickets is -$39.65.
V or x is something so if you add 9 to get 8 then you must subtract 9 from 8 to get -1 which would be your answer
Um i would love to help but i do t really understand
Well we know the area of a square is l*w, or s^2. So we can use s^2 where s=6 in your case. Now 6^2 is 6*6, which is 36.
So the area of a square rug that measures 6 feet is 36 feet
Answer= 36 feet