Answer:
Step-by-step explanation:
For the first 5 terms:
1st term: 7(1)-4=3
2nd term: 7(2)-4=10
3rd term: 7(3)-4=17
4th term: 7(4)-4=24
5th term: 7(5)-4=31
10th term: 7(10)-4=66
200th term: 7(200)-4=1396
n= whatever terms we want like 1st term, second...
It is substitution. Because you are substituting 3=y into x+5=3
Answer:
Step-by-step explanation:
Answer:
$40 per week
Step-by-step explanation:
Step one:
Given data
the initial amount is = $100
the total amount= $500
let the number of weeks be x
Step two:
The expression for the scenario is
From the expression above, the rate of the change is $40 per week.
this means that in every week the account will be increased by $40
The answer is x=12 after I did the math that is my answer