Answer:
-$0.16
Step-by-step explanation:
The expected value is the sum of the outcomes multiplied by their probabilities.
E(X) = 1/38 (+68) + 37/38 (-2)
E(X) = -0.16
Answer:
answer is 300m/30min
Step-by-step explanation:
300\10=30
Answer:
The second answer. If I got it wrong tried my best
Step-by-step explanation:
brainliest
Correct Question:
John works as a tutor for $12 an hour and as a waiter for $8 an hour. This month, he worked a combined total of 86 hours at his two jobs.
Let be the number of hours John worked as a tutor this month. Write an expression for the combined total dollar amount he earned this month.
Answer:
Total hours = 86
Let t is the hours he spent on tutoring
then (86-t) is hours spent on waiting
Let Y is the total amount in dollars which is required .
Now;
y = (tutoring hours x 12$) + (waiting hours x 8$)
Y = 12t + 8(86-t)
Answer:
I think its well point form is (- 31/6, 19/2)
and equation form is x= - 31/6, y= 19/2
Step-by-step explanation:
Hope it helps!!!