3 years ago

What is 1-1 please help

Mathematics

2 answers:

Tju [1.3M]3 years ago

7 0

Your answer going to be 0

vladimir1956 [14]3 years ago

4 0

Answer:

Step-by-step explanation:

1-1=0

It's common knowledge that 1-1=0 so I dont know how to explain it any further

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3 years ago

a pizza shop offers 30% off the price of a large pizza every Tuesday night. If the regular price is $25, what is the discounted

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2 years ago

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How many ways are there to select a 5-card hand from a regular deck such that the hand contains at least one card from each suit

Snezhnost [94]

Answer:

There are 685464 ways of selecting the 5-card hand

Step-by-step explanation:

Since the hand has 5 cards and there should be at least 1 card for each suit, then there should be 3 suits that appear once in the hand, and one suit that apperas twice.

In order to create a possible hand, first we select the suit that will appear twice. There are 4 possibilities for this. For that suit, we select the 2 cards that appear with the respective suit. Since there are 13 cards for each suit, then we have ${13 \choose 2} = 78$ possibilities. Then we pick one card of all remaining 3 suits. We have 13 ways to pick a card in each case.