Questions and answers by

Robo123

Questions (9)

Evaluate:n n-2 (expression should be in large brackets) I got n! /n-2! 2! . I know this is wrong but am not sure what to do
1. 0 answers
2. 362 views
Evaulate: nn-2 (expression should be in large brackets) I got n! /n-2! 2! . I know this is wrong but am not sure what to do
1. 0 answers
2. 418 views
1) Suppose five people are ill during the first week of an epidemic and that each person who is ill spreads the disease to four
1. 0 answers
2. 624 views
Find the first four terms of each sequence.A1= 2 A2=5 An=An-1 + An-2, n≥3
1. 1 answer
2. 1,780 views
What is the first term in a geometric series with ten terms, a common ratio of 0.5 and a sum of 511.5?I got 256 as my answer.
1. 3 answers
2. 1,896 views
Find the sum of the series 23 + 18 + 13 + . . .+ (-82)A) -590 B) 590 C) -649 D) 649
1. 3 answers
2. 948 views
Find the sum of the geometric series 128 - 64 + 32 - . . . to 8 terms.a) 85 b) 225 c) 86 d) 85/2 e) not possible
1. 4 answers
2. 4,178 views
Find the sum of the geometric series 128-64+32-______to 8 terms .
1. 0 answers
2. 552 views
Find the sum of the geometric series 128-64+32-______to 8 terms .
1. 0 answers
2. 469 views