From how many elements we can create 990 combinations 2nd class without repeating?
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:
- 2nd class combinations
From how many elements you can create 4560 combinations of the second class?
How many elements can form six times more combinations fourth class than combination of the second class?
There are 9 interactive basic building blocks of an organization. How many two-blocks combinations are there?
How many different triads can be selected from the group 38 students?
- 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?
- The confectionery
The confectionery sold 5 kinds of ice cream. In how many ways can I buy 3 kinds if order of ice creams does not matter?
How many 4-tones chords (chord = at the same time sounding different tones) is possible to play within 7 tones?
- Fish tank
A fish tank at a pet store has 8 zebra fish. In how many different ways can George choose 2 zebra fish to buy?
The village markets have 5 kinds of sweets, one weighs 31 grams. How many different ways a customer can buy 1.519 kg sweets.
- Variations 4/2
Determine the number of items when the count of variations of fourth class without repeating is 600 times larger than the count of variations of second class without repetition.
- Calculation of CN
Determine the discriminant of the equation: ?
Determine the quadratic equation absolute coefficient q, that the equation has a real double root and the root x calculate: ?
Equation ? has one root x1 = 8. Determine the coefficient b and the second root x2.
- Quadratic equation
Find the roots of the quadratic equation: 3x2-4x + (-4) = 0.
- Quadratic function 2
Which of the points belong function f:y= 2x2- 3x + 1 : A(-2, 15) B (3,10) C (1,4)
The player gets 8 cards of 32. What is the probability that it gets a) all 4 aces b) at least 1 ace