nicolaswarrenn68 nicolaswarrenn68

12-07-2020
Mathematics

contestada

Find the cardinal number for the given set
A = {6, 11, 16,...,76)
The cardinal number is

Respuesta :

surjithayer10 surjithayer10

12-07-2020

Answer:

15

Step-by-step explanation:

A={6,11,16,...,76}

a=6,d=11-6=5

[tex]a_{n}=a_{1}+(n-1)d\\76=6+(n-1)5\\76-6=(n-1)5\\n-1=70/5=14\\n=14+1=15[/tex]

so the cardinal number is 15

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