Answer:
X=45
Step-by-step explanation:
60 divided by 4 equals 15, so you must multiply 3 by 15 then you get the answer of X.
Answer:
25/4
Step-by-step explanation:
divide the 1/2 and 2/25 and thats how you get the answer:
25/4
Answer:
Standard Deviation = 9.1
(Please vote me Brainliest if this helped!)
Step-by-step explanation:
Standard deviation = square root of variance
=
= 9.1
Answer:
I'm assuming you want to know the amount of child and adult tickets sold. 450 student tickets were sol, and 300 adult tickets.
Step-by-step explanation:
Solve for the first variable in one of the equations, then substitute the result into the other equation.