How many years will it take to double an investment at 11% simple interest?

10 years

Step-by-step explanation:

We can use the equation for simple interest: I = P(1 + (R*T)), and change some of the numbers: 2P = P(1 + (0.11*T))

Divide: 2 = 1 + (0.11*T)

Subtract: 1 = 0.11*T

Divide: T = 100/11 ≈ 9.09 ⇒ 10 years (rounded up because it won't be doubled until the next year)

arithmetic sequence

step-by-step explanation:

given that a sequence has terms as

19, 15, 11,

this is represented on a graph

the pattern indicates that the sequence is an arithmetic sequence with i term

a=19 and common difference d =-4

any general term

thus the sequence is reduced by 4 for each successive term starting from 1 and nth term is

24-5n.

first negative term would start after 5th term

5th term =24-25< 0

from 5th term onwards the sequence would be negative.

step-by-step explanation:

i think you should think about the question and not look online.