M4indcheF5annah M4indcheF5annah

04-11-2016
Mathematics

Answered

Evaluate . 7C6

A9

B1

C5,040

D7

can someone explain this to me?

Verified Answer :

Nirina7 Nirina7

08-11-2016

main formula nCp= n!/ p!(n-p)!
so 7C6 = 7!/ 6!(1!)=5,040/720=7
the answer is D. 7

Answer Link

scme1702 scme1702

13-11-2016

This question involves mathematical combinations. The formula is:
nCr = n!/r!(n - r)!
Substituting the values:
7C6 = 7!/6!(7 - 6)!
= (7 x 6 x 5 x 4 x 3 x 2 x 1)/(6 x 5 x 4 x 3 x 2 x 1)(1)
= 7
The answer is D

Answer Link

Related Questions

rewrite 123 using associative property do not evaluate just rewrite

What organelles depend on cytoplasm

The turkey is considered a sacrificial bird in which country a Turkey b Japan c Mexico d India

12 is 48 of what number

What equation is solved by the graphed systems of equations Two linear equations that intersect at the point 7 25 3x 4 5x 10 3x 4 5x 10 3x 4 5x 10 3x 4 5x 10

What are properties of a mineral

You studied for 14 hours last week what was your unit rate of hours study per day

The number of miles Melody rides her bicycle m varies directly with the amount of time spent riding the bike t When Melody bikes for 15 h she travels 105 mi Whi

Describe your best friend female using 2 adjectives in complete French sentences One for what she is like and one for what she is not like Be careful with agree

Which of the following is TRUE for CPR chest compressions

Web Analytics Made Easy - Statcounter