Arithmetic progression - math word problems - last page
Arithmetic Progression is just a sequence of numbers so that the common difference of any two consecutive numbers is a constant value.Formula for n-th member is:
an=a1+(n−1)⋅d
Sum of n AP members:
sn=n⋅2a1+an
Number of problems found: 376
- n-gon
Gabo draws n-gon, which angles are consecutive members of an arithmetic sequence. The smallest angle is 70° biggest 170°. How many sides have Gabo's n-gon? - Cinema
The Cinema auditorium is built for 3300 people. The first row is planned for 36 seats, and each next gradually 4 more. How many rows of seats will have an auditorium? - Sequence
In the arithmetic sequence, is a1=-1, d=4. Which member is equal to the number 203? - Ravens
The tale of the Seven Ravens was seven brothers, each of whom was born exactly 2.5 years after the previous one when the eldest of the brothers was 2-times older than the youngest, mother all curse. How old were seven ravens brothers when their mother cur
- Numbers
Determine the number of all positive integers less than 4183444 if each is divisible by 29, 7, 17. What is its sum? - Lines
How many points will intersect 14 different lines where no two are parallel? - Sequence 3
Write the first 5 members of an arithmetic sequence: a4=-35, a11=-105. - Sequence 2
Write the first 5 members of an arithmetic sequence a11=-14, d=-1. - Sequence
Write the first 7 members of an arithmetic sequence: a1=-3, d=6.
- Crystal
The crystal grows every month 1.2 permille of its mass. How many months to develop a crystal from weight 177 g to 384 g? - Wire
One pull of wire is reduced by its diameter by 14%. What will be the wire diameter with diameter 19 mm over 10 pulls? - Gauss
Help little C.F. Gauss sum all the integers from 1 to 400. - Geometric mean
Calculate the geometric mean of numbers a=15.2 and b=25.6. Determine the mean by construction where a and b are the length of the lines. - Geometric progression 2
There is geometric sequence with a1=3.6 and quotient q=-2.1. Calculate a17.
- Geometric progression
Fill 4 numbers between 4 and -12500 to form a geometric progression. - Profitable bank deposit 2012
Calculate the value of what money lost creditor with a deposit € 5200 for 5 years if the entire duration is interesting 3% p.a. and tax on interest is 19%. Annual inflation is 4.4% (Calculate what you will lose if you leave money lying idle at negative in
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