soarthyt soarthyt

08-05-2021
Mathematics

contestada

Find the common difference if the 8th term is 55 and the first term is 13

Respuesta :

jcherry99 jcherry99

08-05-2021

Answer:

Step-by-step explanation:

Equation

L = a + (n - 1)*d

Givens

L = 55

a = 13

n =8

Solution

55 = 13 + (8 - 1)*d Combine

55 = 13 + 7d Subtract 13 from both sides

55 - 13 = 7d

42 = 7d Divide by 7

d = 6

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