Insert three arithmetic means between -15 and -4.

gainejavima

gainejavima

Answered question

2021-11-12

Insert three arithmetic means between
-15 and -4.

Answer & Explanation

Pulad1971

Pulad1971

Beginner2021-11-13Added 22 answers

The first term is a1=15 and as=4 is fifth term.
an=a1+(n1)d 
put n=5 
a5=a1+(51)d 
4=15+4d 
4+15=4d 
4d=11 
4=15+4d 
d=114 
common difference d is 114
a2=15+(21)114=15+114=60+114=494 
a3=15+(31)114=15+2(114)=30+112=192 
a4=15+(41)114=15+3(114)=60+334=274 
Three arithmetic mean between —15 and — 4 is 494192274.

Jeffrey Jordon

Jeffrey Jordon

Expert2022-08-30Added 2605 answers

Answer is given below (on video)

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