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OpenStudy (natalie1234):
WILL GIVE MEDALLL the first term of an arithmetic progression is -3 and the common difference is 8. what is the 28th term a. 229 b. 226 c. 220 d. 213
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OpenStudy (biologicalscience):
Thank you for the medal.
OpenStudy (natalie1234):
do you know the answer?
OpenStudy (biologicalscience):
no
OpenStudy (biologicalscience):
\(x_n = a+d(n-1) \)
OpenStudy (biologicalscience):
\(\large x_{28} = -3 + 8(n-1) \rightarrow -3 +8n - 8 = 8n -11 = 213\)
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