Find the 7th term of the geometric sequence: -1,5,-25 ...

Find the 7th term of the geometric sequence: -1,5,-25 ...

a4=27 a7=64 i need a9

a) write out the first four terms of this sequence. b) Is the ninth term of this sequence larger or smaller than 1/10? Show the calculation that you use to determine your answer...

I am expected to show how I arrived at your result.

Write a rule and find the fifth of the geometric sequence for which the first term is -8 and the common ratio is -1/4.

determine a(sub)1 Write an explicit formula for this sequence determine a(sub)6

Maria plans to double the amount of time she spends walking per day each week. She starts to walk 5min. per day on week 1. After 7 days, she then walks 10 min. per day, etcetera. a) how...

Malcolm's parents put $1,200 into a savings account when he was born in 2006. every birthday, Malcolm's parents deposit 10% more than the previous year. Determine the explicit formula for the...

Malcolm's parents put $1,200 into a savings account when he was born in 2006. every birthday, Malcolm's parents deposit 10% more than the previous year. Determine the explicit formula for the...

I am thinking that the common ratio is 3/2, so the next term has to be equal to 18, making 2x-4=18, making x = 11. correct?

1 cube, 3 cubes, 9 cubes, 27 cubes

geometric sequence

find the sum of geometrical sequence

8, 8/3, 8/9, 8,27, 8/81,...

the smallest section is 16 inches and the largest section is 81 inches. I have to answer and show or explain how I arrived at the following: a) that is the common ratio between the...

Answer for this question plz! 1. Angelica ran in a half marathon. The Length of the race was 21.1km. she ran 1700m in the first 10 min of the race. In each 10-min interval after the...

In other words: Pattern 1= 3 line segments (1 triangle) Pattern 2= 9 line segments (4 triangles) Pattern 3= 30 line segments (16 triangles) etc.......

Insert 4 numbers between 32 and 243 so that the resulting sequence is geometric

40,10,5/2,5/8 please help

The sum of the first four terms of a positive geometric sequence is five times the sum of the first two terms

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