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

f(x) = 2x^2 + 3 and g(x) = x^2 - 7, find (f-g)(x) A) 3x^2 - 10 B) x^2 - 4 C) x^2 + 10 D) 3x^2 - 4

French? thanks in advance

What contributed to the implementation of Jim Crow laws? -the presidential election of 1872 -passage of the Fourteenth Amendment -the end of Reconstruction -rep

Which of these represents a physical change? a iron rusting b ice melting c wood burning d food spoiling

What is 1/8 expressed as a percent? Enter your answer in the box.

BEST GETS BRAINLIEST which of the following is a channel that continually moves water Downstream Coastline oxbow lake run off Stream

Why are plants in the alpine biome typically low growing?

Prove the Converse of the Pythagorean Theorem using similar triangles. The Converse of the Pythagorean Theorem states that when the sum of the squares of the le

what is important to consider all aspects of a job before accepting the position? Provide at least two reasons.

During the gilded age, how was life different for the poor, the middle class, and the very rich?