Ok so the average is 50
average of x number of things is
(add value of all things)/x=average
4 test scores needed
so divide by 4
3 test scores ar known
average is 50
x= missing score
(43+48+42+x)/4=50
times 4 both sides
133+x=200
minus 133 both sides
x=67
a score of 67 is needed
The average daily cost is $7.02.
to get the average cost you add up all the prices
7.75
7.75
6.30
6.30
+7.00
35.10
then you divide that by the amount of numbers you have
35.10 / 5=7.02
then there's your answer.
Answer:
its 7/3 or you could put 2 1/3
Step-by-step explanation:
12(8+t) You do what's in the parenthesis first, then multiply by 12, or in other words multiply 12 by the sum of 8 and t.
Converse of the alternate interior angles theorem states the postulate or theorem that proves that x is parallel to y.
