shuttymutty9000 shuttymutty9000
  • 02-07-2020
  • Mathematics
contestada

On a 12 problem test how many ways can 2 problems correct and 10 questions wrong?

Respuesta :

wolf1728
wolf1728 wolf1728
  • 02-07-2020

Answer:

Basically we have to calculate how many ways 2 objects can be chosen from 12?

We use this formula

where n = 12 and r =2

12! / (2!) * (12 -2)! =

12! / (2) * 10! =

12 * 11 / 2 = 132 / 2

= 66 ways

Step-by-step explanation:

Ver imagen wolf1728
Answer Link

Otras preguntas

Can someone please help me with this? I would love it if someone could write me the paragraph following those requirements.
if u change ur pfp to the link below,u will get free brainliest
Fill in the table using this function rule. y=2+5x
Does anyone have any tips on studying and getting good grades?
Gary wants to buy a bicycle that usually sells for $74.99. The store is having a sale and all merchandise is discounted by 25%. What is the total cost of the sc
7. What is the primary division between people? (1 pozret) property O gender Oprestige Opower
Regan swims for the Sharks swim team. Last season, the Sharks won 5 swim meets for every 3 they lost. If the Sharks had 16 swim meets in all, how many did they
450 is 76.2% of what number?
Find the slope between (10, -5) and (8,3).
Does it make sense to you to allow an employee to bring a sexual harassment cause of action if the employee suffered no adverse tangible employment action?​