norulesmar norulesmar

10-05-2020
Mathematics

contestada

Write missing number in series -1,_,_,_,19

Respuesta :

abiolabaruwabusiness abiolabaruwabusiness

10-05-2020

Answer:

1,7,13,19

Step-by-step explanation:

you add 6

Answer Link

surjithayer10 surjithayer10

10-05-2020

Answer:

Step-by-step explanation:

-1,-,-,-,19

a1=-1

n=5

l=19

l=a+(n-1)d

19=-1+(5-1)d

19+1=4d

4d=20d=20/4=5

a2=-1+5=4

a3=a2+d=4+5=9

a4=a3+d=9+5=14

so terms are -1,4,9,14,19

Answer Link

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