Arithmetic progression - math word problems - page 15 of 21
Number of problems found: 413
- Real estate
The residential house has three entrances numbered by odd numbers in arithmetic progression. The sum of the two numbers on the corner entrances is 50. Calculate the highest of these three numbers. - Cells - guts
Guts (a single-celled organism) under ideal conditions divides into two littles every 27 hours on average. How many would there be in 7 days if all the childs remained alive? - Seamstress earnings
The seamstress' earnings in the last three months of the year are always 20 percent higher than the previous month. She earned a total of CZK 65,520 between October and December. How much CZK did you make in October? - Arithmetic sequence
Insert as many members of the arithmetic sequence between the numbers 8 and 20 that their sum is 196. - Sequence members
Find out the other three members of the sequence and write their sum: 1,29,2,28,3,27, - Probably member
Look at the series 2,6,25,96,285, ? What number should come next? - Light intensity
The light beam loses 1/12 of its intensity as it passes through the glass plate. What will the beam's intensity be after passing through a ten times stronger plate? - Difference AP 4
Calculate the difference of the AP if a1 = 0.5, a2 + a3 = -1.1 - Octahedron - sum
On each wall of a regular octahedron is written one of the numbers 1, 2, 3, 4, 5, 6, 7, and 8, wherein on different sides are different numbers. John makes the sum of the numbers written on three adjacent walls for each wall. Thus got eight sums, which al - Consecutive numbers
The sum of four consecutive natural numbers is 90. Determine these numbers. - Infinite series Determine the sum of an infinite series: 1/3 + 1/9 + 1/27 + 1/81 ...
- Arithmetic progression
Find the difference AP if a1 = -1.5 and a2 + a3 = 2.7. - Academy students
There are 147 students in seven years at the wizarding academy. Enthusiasts for magic are increasing, so since 2006, they have accepted two more students each year than the previous year. How many students do they have in their first year? - Angle in RT
Determine the size of the smallest internal angle of a right triangle whose sides constitute the sizes of consecutive members of arithmetic progressions. - Angle
Determine the size of the smallest internal angle of a right triangle which angles forming the successive members of the arithmetic sequence. - Arithmetic progression
Determine the twenty-first term and the difference AP if a1 = 0.12 and a1 + a2 = 0.42. - Arithmetic progression
Determine the ninth term and the difference AP if a3 = 4.8 and a2 + a3 = 8. - Arithmetic progression Determine the fourth term and the difference AP if a1 = 3.2 and a2 + a3 = 7.
- Geometric progression
Determine the seventh GP member if a1 = -3.4, q = 5 - Third member Determine the third member of the AP if a4=93, d=7.5.
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