How many cans must be put in the bottom row if we want 182 cans arrange in 13 rows above so that each subsequent row has always been one tin less? How many cans will be in the top row?
Leave us a comment of example and its solution (i.e. if it is still somewhat unclear...):
Showing 0 comments:
Be the first to comment!
To solve this example are needed these knowledge from mathematics:
Next similar examples:
Seats in the sport hall are organized so that each subsequent row has five more seats. First has 10 seats. How many seats are: a) in the eighth row b) in the eighteenth row
How many real roots has equation ? ?
- Theorem prove
We want to prove the sentense: If the natural number n is divisible by six, then n is divisible by three. From what assumption we started?
Between numbers 1 and 53 insert n members of the arithmetic sequence that its sum is 702.
- Sequence 3
Write the first 5 members of an arithmetic sequence: a4=-35, a11=-105.
Write the first 7 members of an arithmetic sequence: a1=-3, d=6.
- AS sequence
In an arithmetic sequence is given the difference d = -3 and a71 = 455. a) Determine the value of a62 b) Determine the sum of 71 members.
- Sequence 2
Write the first 5 members of an arithmetic sequence a11=-14, d=-1
Write the first 6 members of these sequence: a1 = 5 a2 = 7 an+2 = an+1 +2 an
- AP - simple
Determine the first nine elements of sequence if a10 = -1 and d = 4
Determine the number of seats in the seventh row and ninth row, if 3rd row has 14 seats and in every next row of seats has five more than the previous row.
- AP 6
Calculate the first five items of an arithmetic sequence if it is given: a2 – a3 + a5 = 20 a1 + a6 = 38
- Consecutive numbers
Sum of ten consecutive numbers is 105. Determine these numbers (write first and last).
- Determine AP
Determine the difference of the arithmetic progression if a3 = 7, and a4 + a5 = 71
- Fifth member
Determine the fifth member of the arithmetic progression, if the sum of the second and fifth members equal to 73, and difference d = 7.
- 6 terms
Find the first six terms of the sequence. a1 = 7, an = an-1 + 6
Find variable P: PP plus P x P plus P = 160