Arithmetic progression - practice problems - page 4 of 21
Number of problems found: 405
- Inhabitants 81581
The number of inhabitants of the city decreased in 10 years from 72800 to 56000. What is the annual decrease in the population in percentage? - Trapezoid roof
The house's roof is a trapezoid of the same name, with 85 tiles at the ridge and 100 tiles at the bottom. There is always one more tiles in each row than the previous one. How many tiles do I need for the entire roof? - Arithmetic 80808
The lengths of the sides of a right triangle form the first 3 terms of the arithmetic sequence. Its area is 6 cm². Find length of its sides. - Additions 80586
Each of the three additions is 5 more than the previous one. The sum of all is 78. Which numbers are these? - Differences 80551
Bolek and Lolek each had their own arithmetic sequence. Both Lolek and Bolek's sequence started with the number 2023 and ended with the number 3023. The two sequences had 26 numbers in common. The ratio of Bolek's and Lolka's difference was 5:2. What is t - Sequence 80450 How many terms does the sequence have if a1=4, Sn=589, d=3, n=?
- Ninety-one 80354
Ninety-one books are arranged on seven shelves so that there are 4 more books on each subsequent shelf than on the previous one. How many books are on the 7th shelf?
- Three members AP
There are arithmetic sequence x + 3, 2x + 3, 5x - 3. If the common difference is 3, find x. - The sequence
Find the nth term of the progression 2,6,12,20... - GEOMETRIC MEANS alternating
Find the indicated number of geometric means between the pair of numbers. -32 and 4 [insert 2 means] Sequence:-32, _, _, 4 - FINDING GEOMETRIC MEANS Find the indicated number of geometric means between the pair of numbers. 16 and 81 [insert 3 members: 16, _, _, _, 81]
- The sum 23
The sum of the first 10 terms of an arithmetic sequence is 530. What is the first term if the last term is 80? What is the common difference? - The third 2 The third term of an arithmetic sequence is -12, and the seventh term is 8. What is the sum of the first 10 terms?
- Multiples of eight Find the sum of the first 25 multiples of 8.
- AP - general term Find the sum of the first 12 terms of the arithmetic sequence whose general term is an=3n+5.
- What is 21 What is the next number? What is the 7th number? 160, 80, 40, 20, 10, _
- A construction 2
A construction company will be penalized for its bridge construction delays. The penalty is set at 4,000 for the first day and shall be subjected to a 1,000 increase for each succeeding day. The company can afford a maximum payment of 165,000 for a penalt - Triangle of cans
A display of cans on a grocery shelf consists of 28 cans at the bottom, 25 cans in the next row, and so on. There are nine rows on a shelf. How many cans are there in the 9th row? How many cans are on display in total? - What are 3 What are the five arithmetic means between 2 and 44?
- Jogging program
After knee surgery, the trainer tells the man to slowly return to his jogging program. He suggests a jogging program for 12 minutes each day for the first week. After that, he suggests increasing the time by 6 minutes per week. Find the number of minutes
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