If the number of elements is decreased by two the number of permutations is decreased 30 times. How many elements are?
Leave us a comment of this math problem and its solution (i.e. if it is still somewhat unclear...):
Showing 0 comments:
Be the first to comment!
To solve this verbal math problem are needed these knowledge from mathematics:
Next similar math problems:
- Permutations without repetition
From how many elements we can create 720 permutations without repetition?
- Three workplaces
How many ways can we divide nine workers into three workplaces if they need four workers in the first workplace, 3 in the second workplace and 2 in the third?
- VCP equation
Solve the following equation with variations, combinations and permutations: 4 V(2,x)-3 C(2,x+ 1) - x P(2) = 0
- Big factorial
How many zeros end number 116! ?
- Calculation of CN
- Linear imaginary equation
Given that ? "this is z star" Find the value of the complex number z.
- Ball game
Richard, Denis and Denise together scored 932 goals. Denis scored 4 goals over Denise but Denis scored 24 goals less than Richard. Determine the number of goals for each player.
- Theorem prove
We want to prove the sentence: If the natural number n is divisible by six, then n is divisible by three. From what assumption we started?
How many ways can give away 32 playing cards to 5 player?
Iron tubes in the warehouse are stored in layers so that each tube top layer fit into the gaps of the lower layer. How many layers are needed to deposit 100 tubes if top layer has 9 tubes? How many tubes are in bottom layer of tubes?
- Solve 3
Solve quadratic equation: (6n+1) (4n-1) = 3n2
- Intercept with axis
F(x)=log(x+4)-2, what is the x intercept
What is the vertical asymptote of ?
- Simple equation 8
Solve the following equation: 36=-(1+7x)-6(-7-x)
- Quadratic equation
Quadratic equation ? has roots x1 = -26 and x2 = -86. Calculate the coefficients b and c.
Find the value of the expression: 6!·10^-3
- 75th percentile (quartille Q3)
Find 75th percentile for 30,42,42,46,46,46,50,50,54