Answer:
the answer is C
Step-by-step explanation:
Answer:
Addition is...
1+1 = 2
But addition irrational numbers is...
π + 5 normally when using pi (π) the numbers are 3.14 but the number is infinite, all irrational numbers are infinite
then the sum will be 3.14 + 5 = 8.14
7x-4=2
add 4 to both sides
7x=2+4
7x=6
divide 7 to both sides
x=6/7
Answer:
A. 336
B. Arranging 3 people in 8 chairs.
C. 42
B. Arranging 2 people in 7 chairs.
Step-by-step explanation:
A.

Formula for Permutation is given as:

Putting the value of
= 8 and
, we get:

B. Real world situation for part A:
Arranging 3 people on 8 chairs.
First person has 8 options.
Second person has 7 options.
Third person has 6 options.
C.

Formula for Permutation is given as:

Putting the value of
= 7 and
= 2 , we get:

D. Real world situation for part AC:
Arranging 2 people on 7 chairs.
First person has 7 options.
Second person has 6 options.