Answer:
9
Step-by-step explanation:
The factors of 18 are : 1, 2, 3, 6, 9, 18
The factors of 27 are : 1, 3, 9, 27
The common factors are : 1, 3, 9
The gcf is 9
5+4=9
9+4=13
13+4=19
Answers is 4
Answer:
<u>-7/4 or -1 3/4</u>
Step-by-step explanation:
Step 1. Convert into improper fraction.
2 1/2 = 5/2
Step 2. Convert the fractions into common denominator.
5/2 = 10/4
Step 3. Subtract.
3/4 - 10/4 = -7/4
Solution :
If 
is the total spending generated after n transactions, then 
is the spending generated during the n-th transaction. Since the government spends D dollars, then 
= D.
Then the second person will receive D dollars and spend 
dollars. Therefore, 
. The next person will receive dollars, which means they are spending 
dollars. Therefore,
....
∴ 
The 20th term in the following arithmetic sequence1/2, 1, 3/2, 2... is 10 because;
the number are divided by 2
and the 20th number would be 20/2 which is equal to 10
