Answer:
use 3
Step-by-step explanation:
Answer: 168 adult tickets were sold.
Step-by-step explanation:
We know that we can find the number of adult and student tickets sold, with this equation:
Since 82 students attended, we can substitute into the equation and solve for "a", in order to calculate the amount of adult tickets sold.
Then, "a" is:
Answer:
-10b - 7b, which is false.
Step-by-step explanation:
-10b + 5 = 7b + 5
-5 -5
-10b = 7b
This statement is false
Answer:
The expected value of random variable X is often written as E(X) or µ or µX.
Step-by-step explanation:The expected value is the 'long-run mean' in the sense that, if as more and more values of the random variable were collected (by sampling or by repeated trials of a probability activity), the sample mean becomes closer to the expected value.
Answer:
Volume of recangular prisms is l*w*h, triangular prism is (l*w*h)/3
Step-by-step explanation: