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given the terms a1 = 5 and a 4= 14 of an arithmetic sequence what is a20
 10 months ago
 10 months ago
given the terms a1 = 5 and a 4= 14 of an arithmetic sequence what is a20
 10 months ago
 10 months ago

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ghaziBest ResponseYou've already chosen the best response.1
\[T _{20}=a _{1}+(n1)d\] we need d
 10 months ago

ghaziBest ResponseYou've already chosen the best response.1
now, \[a _{4}=a _{1}+(n1)d, a _{4}=5+(41)d, 14=5+(3)d\] find d and you will have T 20 :)
 10 months ago

christinewilliamsBest ResponseYou've already chosen the best response.1
wait..... it is multiple choice it could be 62, 65,171, 185
 10 months ago

ghaziBest ResponseYou've already chosen the best response.1
well calculate it :) your d=3 i guess then put d in the equation and find it :)
 10 months ago

christinewilliamsBest ResponseYou've already chosen the best response.1
wait what?? so t20=5+(19)3
 10 months ago

christinewilliamsBest ResponseYou've already chosen the best response.1
awesome thank you!!! can you help me with more!!! i am so behind in my math class!
 10 months ago

ghaziBest ResponseYou've already chosen the best response.1
keep posting :) don't follow up
 10 months ago
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