What x-gon has 54 diagonals?
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:
How many diagonals has convex 11-gon?
How many elements can form six times more combinations fourth class than combination of the second class?
From how many elements we can create 990 combinations 2nd class without repeating?
- 2nd class combinations
From how many elements you can create 4560 combinations of the second class?
- 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.
- Quadratic equation
Find the roots of the quadratic equation: 3x2-4x + (-4) = 0.
Equation ? has one root x1 = 8. Determine the coefficient b and the second root x2.
Determine the quadratic equation absolute coefficient q, that the equation has a real double root and the root x calculate: ?
Determine the discriminant of the equation: ?
- 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?
How many different triads can be selected from the group 43 students?
- Calculation of CN
- 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?
How many ways can divide 16 players into two teams of 8 member?
There are 9 interactive basic building blocks of an organization. How many two-blocks combinations are there?
- A student
A student is to answer 8 out of 10 questions on the exam. a) find the number n of ways the student can choose 8 out of 10 questions b) find n if the student must answer the first three questions c) How many if he must answer at least 4 of the first 5 que
How many 4-tones chords (chord = at the same time sounding different tones) is possible to play within 7 tones?