3.Evaluate the sum of the finite arithmetic series 7+14+21+28+...+231.
4.The first and third terms of an arithmetic sequence are 3 and -1, respectively. Find the sum of the first 100 terms of this arithmetic sequence.
9.A pile of sandbags has 24 in the first layer, 23 in the second, 22 in the third, and so on. How many sandbags are there in 10 layers?
10.An auditorium has 18 rows of seats with 15 seats in the first row, 19 seats in the second row, and 24 seats in the third row, and so on Find the total capacity of the auditorium.
4.The first and third terms of an arithmetic sequence are 3 and -1, respectively. Find the sum of the first 100 terms of this arithmetic sequence.
9.A pile of sandbags has 24 in the first layer, 23 in the second, 22 in the third, and so on. How many sandbags are there in 10 layers?
10.An auditorium has 18 rows of seats with 15 seats in the first row, 19 seats in the second row, and 24 seats in the third row, and so on Find the total capacity of the auditorium.
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Answer:
3:302
4:402
9:96
10:82
Step-by-step explanation:
71/231 plusher of the lowest term
231+71 is the equal of value of number
22+24+23√96 higher term
3+1+400(402) equal.