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anonymous
 one year ago
WILL AWARD MEDALS
The first term of an arithmetic sequence is 5, and the tenth term is 13. Find the common difference.
A. 8/9
B. 1.8
c. 2
I think its B, but I am not 100% sure
anonymous
 one year ago
WILL AWARD MEDALS The first term of an arithmetic sequence is 5, and the tenth term is 13. Find the common difference. A. 8/9 B. 1.8 c. 2 I think its B, but I am not 100% sure

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0\[a,a+d.a+2d,a+3d,...,a+9d\] \[5,5+d,5+2d,5+3d,...,5+9d=13\] solve \[5+9d=13\] for \(d\)

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0you do not get \(1.8\) though

rishavraj
 one year ago
Best ResponseYou've already chosen the best response.0\[a_1 = 5~~~~and ~~~~a_{10} = 13\] u must be knowing tht \[a_n = a_1 + (n  1)d\] so \[a_{10} = a_1 + (10  1)d\] \[13 = 5 + 9d\] solve and get "d"
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