Answer:
1
Step-by-step explanation:
When we substract 1 from any number then will get just previous number.
Example :
Let any number 17
17-1 =16
16 is the just previous number of 17
Therefore, A number -1 = previous number
Answer will be 1
Answer:
-33 or 33
Step-by-step explanation:
The seventh term of an AP is written as:

The eleventh term of an AP is written as:

If the 7th term is 11 times the 11th term, then;

Expand to get:





We must have a=-52 and d=5
Or
a=52 and d=-5
For the first case, the 18th term is :

For the second case,

8.5 ............................
Answer:
3527
Step-by-step explanation:
Using our compound interest formula we can plug in all of our given values and solve for P.
A(t)=P(1+r/n)^nt
5,000=P(1+0.07/12)^12(5)
P=5000/(1+0.07/12)^60
P≈$3,527