Answer:
90
Step-by-step explanation:
To find s4 we find sum of values when n=1,n=2,n=3,n=4
given expression is 
n=1 , plug in 1 for n
n=2
n=3
n=4
Sum of all 4 terms = 6+12+24+48=90
Answer:
A.true
Step-by-step explanation:
The domain of a quadratic function in standard form is always all real numbers, meaning you can substitute any real number for x. The range of a function is the set of all real values of y that you can get by plugging real numbers into x.
Solving for s, I get s = 12.
Answer:
Each person including Teaser will get 9.5 coins.
Step-by-step explanation:
Teaser has 38 points
There is
-Brother 1
-Brother 2
-Brother 3
-Teaser
38 divided by 4
= 9.5
Therefor each will get 9 1/2 coins.
Please leave a good rating if this helped :)
-Adam
Answer:
105
Step-by-step explanation:
It is easy to calculate: add up all the numbers, then divide by how many numbers there are. In other words it is the sum divided by the count.
(91+89+X)/3 =95
91+89+X =95*3
180+X =285
X =285 - 180
=105
