amalali6111 amalali6111

28-10-2020
Mathematics

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Someone help me with 12 pls plsssss plsssss

Someone help me with 12 pls plsssss plsssss class=

Respuesta :

seetha1980 seetha1980

28-10-2020

Answer:

Equation is 7n-9, a10=61

Step-by-step explanation:

nth term of an arithmetic sequence with first term a and common difference d is a+(n-1)d

Here, a=-2 , d=7

nth term is -2+(n-1)7=7n-9

a10=7*10-9=70-9=61

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