Question

Geometric help pleeeeaassee

Answer 1

you are just being asked for the first term
put in 1 for \(t\) and evaluate \[2\times3^{1-1}\]

Answer 2

clear or no?

Answer 3

yes

Answer 4

ok good
what do you get?

Answer 5

2

Answer 6

yup!

Answer 7

Im sorry those werent it

Answer 8

Use the following series:
1 + 1.5 + 2.25 + 3.375 + ...

What is the sum of the first 12 terms?
Select one:
a. 68.375
b. 94.3
c. 124.3
d. 257.5


Use the following series:
1 + 1.5 + 2.25 + 3.375 + ...

What is the sum of the first 4 terms?
Select one:
a. 7.1
b. 8.1
c. 18.1
d. None of the above

Answer 9

the second one is easy enough

Answer 10

http://www.wolframalpha.com/input/?i=1+%2B+1.5+%2B+2.25+%2B+3.375

Answer 11

the first one is harder, but we can do it

Answer 12

the common ratio there for the first one is \(1.5\) since that is what you multiply the first term by to get the second, and so on

Answer 13

you can use the formula \[\frac{1.5^{12}-1}{1.5-1}\]