PLEASE HELP WILL MEDAL

Find the common ratio, r, in the following geometric sequence.
2, 6, 18, 54, …

3

-3

4

9

It is estimated that 7% of people in the United States have diabetes. A certain screening test is 74.7% accurate for people who do have diabetes, and 78% accurate for people who do not have diabetes.

At a health fair the screening test is used to test 300 people. Predict how many of the people will be identified as having diabetes.

16

18

15

21

Question

PLEASE HELP WILL MEDAL 


Find the common ratio, r, in the following geometric sequence.
2, 6, 18, 54, …


		
3

		
-3

		
4

		
9

It is estimated that 7% of people in the United States have diabetes. A certain screening test is 74.7% accurate for people who do have diabetes, and 78% accurate for people who do not have diabetes.

At a health fair the screening test is used to test 300 people. Predict how many of the people will be identified as having diabetes.


		
16

		
18

		
15

		
21

perii224 · Answer

@whpalmer4 @freckles @zepdrix HELP ANYONEE??

perii224 · Answer

@AloneS @sammixboo @samanthagreer @.Sam.

perii224 · Answer

SOMEBODY HELP IM GOING TO FAIL

.sam. · Answer

Common ratio= pick a number in the sequence then divide it by the previous number

.sam. · Answer

For example
6/2=?
18/6=?

perii224 · Answer

3! :D

.sam. · Answer

Yep

perii224 · Answer

Thanks! do you know the second?