IDNLearn.com makes it easy to get reliable answers from experts and enthusiasts alike. Ask anything and receive immediate, well-informed answers from our dedicated community of experts.

Q:
What is the indicated term of the arithmetic sequence? someone help!!!!
a14 for 200,196,192...
A:
a. 148
b. 252
c. 144
d. 239


Sagot :

[tex]a_1=200;\ a_2=196;\ a_3=192\\\\r=a_2-a_1\to r=126-200=-4\\\\a_n=a_1+(n-1)r\\\\a_n=200+(n-1)\cdot(-4)=200-4n+4=204-4n\\\\a_{14}=204-4\cdot14=204-56=148\\\\Answer:A[/tex]