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

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

Useful information about process variables is provided to operators by all of the following EXCEPT a. recorders b. bourbon tubes c. indicators d. alarms

The perimeter of a piece of land is 9,700 square meters. What is the value of the exponent when this number is written in scientfic notation.

can someone explain how to do this

The perimeter of a piece of land is 9,700 square meters. What is the value of the exponent when this number is written in scientfic notation.

Can someone please help me? Please show work. I will give brainliest if it’s correct!

Use the formula ω=θ/t to find the value of the missing variable. ω=6π/7 radians per sec, t= 7 sec The missing variable is θ=___.

the products in ? are the ? needed for cellular respiration.

Savings Account Calculations Mitch deposits $1,300 in an account that pays 2.5% simple interest. He keeps the money in the account for 4 years without any depo

the temperature was -15 F and fell 10 F

Explain how representation was proposed in the Virginia and New Jersey plan and how the great compromise helped to settle the dispute over representation.