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
Answer:
v = 7
Step-by-step explanation:
Divide both sides by 4 to isolate v
28/4 = 4v/4
v = 7
Each term is (the previous term increased by 20).
The next 3 terms are <em>114, 134, 154 .</em>
Answer:
h'(1)=0
Step-by-step explanation:
We use the definition of the derivative of a quotient:
If 
, then:
Since in our case we want the derivative of 
at the point x = 1, which is indicated by: h'(1), we need to evaluate the previous expression at x = 1, that is:
which, by replacing with the given numerical values:
becomes:
25/100 x 1099=$274.75
Hope I helped.
