How many lines can be draw with 8 points, if three points lie on one line and the other any three points do not lie on the same line?
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:
In how many points will intersect 14 different lines, where no two are parallel?
It is true that the lines that do not intersect are parallel?
How many 4-tones chords (chord = at the same time sounding different tones) is possible to play within 7 tones?
If you give me two antennas will be same. If you give me again your two antenna I have a 5× so many than you. How many antennas have both mans?
- 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.
The class is 21 students. How many ways can choose two to examination?
8 girls wants to play volleyball against boys. On the field at one time can be six players per team. How many initial teams of this girls may trainer to choose?
- 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 different triads can be selected from the group 38 students?
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?
How many 19 element's subsets can be made from the 26 element set?
- 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?
Four pupils is going via dark hall. Start at one side and have to get to the other side for 17 minutes. They have only one lamp for the trip. The corridor is narrow, they can therefore go up two pupils at a time and go at the slower speed. Each pupil went.
- Calculation of CN
From the colors - red, blue, green, black and white, create all possible tricolors.