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ELEN [110]
3 years ago
7

Braxton loves to download new music. He originally had 41 songs but plans to purchase 4 new songs each week. He wants to know ho

w many songs he will have after 110 weeks. Which equation should he use? a110 = 41 + 4(110 − 1) a110 = 41 + 4(110 + 1) a110 = 110 + 4(41 − 1) a110 = 110 + 4(41 + 1)
Mathematics
2 answers:
iren [92.7K]3 years ago
5 0
Original songs he has are 41.
Bought songs per week are 4.
Bought songs in 110 weeks are (4*110) = 440

Total songs he bought altogether
41 + 440
topjm [15]3 years ago
3 0

Answer: a_{110}=41+4(110-1)

Step-by-step explanation:

Given: Braxton loves to download new music.

The number of songs he originally had (in week 1) a= 41

The number of songs he plans to purchase each week d= 4

Let 'n' be the number of weeks, then the total number of songs will be given by A.P.:-

a_n=a+d(n-1)\\\Rightarrow\ a_n=41+4(n-1)

After 112 weeks  (n=112), the total number of songs will be given by :-

a_{110}=41+4(110-1)

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1 year ago
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