the 12th term of an arithmetic sequence is 36, and the common difference is 3. what is the first term of the sequence?
a. 1
b. 2
c. 3
d. 4
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OpenStudy (anonymous):
@Ethanxiaorox
OpenStudy (anonymous):
@Data_LG2
OpenStudy (anonymous):
@AnimeAsgardian
OpenStudy (alexandervonhumboldt2):
3 i guess
OpenStudy (anonymous):
what about this one
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OpenStudy (animeasgardian):
I agree, I think it's 3
OpenStudy (anonymous):
the common difference in an arithmetic sequence is -2 and the first term is 47. what is the 29th term?
a. -9
b. -11
c. 11
d. 18
OpenStudy (alexandervonhumboldt2):
47, 45, 43, 41, .... let me solve
OpenStudy (anonymous):
thank you
OpenStudy (alexandervonhumboldt2):
47-(29*2)
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OpenStudy (alexandervonhumboldt2):
-11
OpenStudy (anonymous):
what is the 13th term of the arithmetic sequence?\[\frac{ 3 }{ 4 },1,1\frac{ 1 }{ 4 },1\frac{ 1 }{ 2 }\]
a. 3
b. 3 1/2
c. 4
d. 3 3/4
OpenStudy (alexandervonhumboldt2):
3/4+(1/4*13)
OpenStudy (alexandervonhumboldt2):
4
OpenStudy (anonymous):
i have to type this all back out cause i messed up -.-
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OpenStudy (anonymous):
what is the general rule for the sequence?
1.11, 2.54, 3.97, 5.40
a. \[a_{n}=1.43n-0.32\]
b. \[a_{n}=1.11n+1.43\]
c. \[a_{n}=1.11n\]
d. \[a_{n}=1+0.11n\]
OpenStudy (anonymous):
@AlexandervonHumboldt2
OpenStudy (alexandervonhumboldt2):
B
OpenStudy (anonymous):
what is the 13th term of the following arithmetic sequence?
5,9,13,17
a. 52
b. 53
c. 54
d. 55
OpenStudy (anonymous):
@AlexandervonHumboldt2
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OpenStudy (anonymous):
@AnimeAsgardian
OpenStudy (alexandervonhumboldt2):
5+(13*4)
OpenStudy (alexandervonhumboldt2):
57
OpenStudy (anonymous):
57 isnt a choice ;o
OpenStudy (anonymous):
sorry i was away from my comp
\(\sf a_n=a_1+(n-1)d\\a_{13}=5+(13-1)4\\a_{13}=?\)