Mathematics: Find the 168th term of arithmetic sequence {a_{n}, n = 1, 2, 3, . .} with common ifference d = 1.5 and first term a_{1} = 2.

Find the 168th term of arithmetic sequence {a_{n},

Ответ:

imello51

31.12.2021

Mathematics

$a_1=2;\ d=1.5\\\\a_n=a_1+(n-1)d\\\\a_n=2+(n-1)\cdot1.5=2+1.5n-1.5=0.5+1.5n\\\\a_{168}=0.5+1.5\cdot168=0.5+252=252.5$

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Ответ:

jenn8055

05.04.2021

Mathematics

1.75 or if it’s a fraction 1 3/4

Step-by-step explanation:

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Find the 168th term of arithmetic sequence {a_{n}, n = 1, 2, 3, . .} with common ifference d = 1.5 and first term a_{1} = 2.

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