anjanchili anjanchili
  • 12-01-2020
  • Mathematics
contestada

How many subsets of the set {1, 2, 3, ..., 12} contain exactly one or two prime numbers?

Respuesta :

PollyP52 PollyP52
  • 12-01-2020

Answer:

15.

Step-by-step explanation:

The prime numbers in the set are 2, 3, 5, 7 and 11.

So the answer is  5 + number of combinations of 2 from 5

= 5 + 5C2

= 5 + 10

= 15.

Answer Link

Otras preguntas

Who was the leader of the soviet union during the cuban missile crisis
A can of tomatoes has a radius of 6 cm and a height of 10 cm. What is the approximate volume of the can? 36 cm3 60 cm3 113 cm3 1,130 cm3
solve the equation x^2-4x+85=0
I have a math teacher that doesnt really do a good job teaching math and I need to know how to change ratios to unit rates
Can someone please answer only the ones that are shown in the pic above please?? I am very confused
What is the molarity of an aqueous solution containing 40.0g of glucose (C6H12O6)in 5.1L of solution
excerpt is from the Arizona Form A-4: Employee's Arizona Withholding Percentage Election. What kind of context clue can you use to understand the word "compens
read the sentence from the declaration of independence why is this sentence an example of the use of personification? They too have been deaf to the voice of ju
Population increase occurs when there is an increase in __________.
where are most platues formed