A fish tank at a pet store has 8 zebra fish. In how many different ways can George choose 2 zebra fish to buy?
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 verbal math problem are needed these knowledge from mathematics:
Next similar examples:
On the menu are 12 kinds of meal. How many ways can we choose four different meals into the daily menu?
The village markets have 5 kinds of sweets, one weighs 31 grams. How many different ways a customer can buy 1.519 kg sweets.
How many 4-tones chords (chord = at the same time sounding different tones) is possible to play within 7 tones?
How many different triads can be selected from the group 43 students?
Division has 18 members: 10 girls and 6 boys, 2 leaders. How many different patrols can be created, if one patrol is 2 boys, 3 girls and 1 leader?
- 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
The class is 21 students. How many ways can choose two to examination?
How many ways can divide 16 players into two teams of 8 member?
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?
There are 9 interactive basic building blocks of an organization. How many two-blocks combinations are there?
- Calculation of CN
- 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?
The player gets 8 cards of 32. What is the probability that it gets a) all 4 aces b) at least 1 ace
- One green
In the container are 45 white and 15 balls. We randomly select 5 balls. What is the probability that it will be a maximum one green?
Equation ? has one root x1 = 8. Determine the coefficient b and the second root x2.
Determine the discriminant of the equation: ?