Answer:
see explanation
Step-by-step explanation:
The meaning of n factorial → n !
n ! = n(n - 1)(n - 2)........ × 3 × 2 × 1
For example
7 !
= 7 × 6 × 5 × 4 × 3 × 2 × 1
Answer:
Step-by-step explanation
3x-15=2x-10+x
3x-15=3x-10
in this step, problem happens
becoz both side doesnt equal, no ans can be proven
Answer:
Step-by-step explanation:
5-500 is sqare 5
Answer:
width = 19 inches
Step-by-step explanation:
Pythagorean theorem
23^2 = 13^2+x^2
529 = 169+x^2
x^2 = 360
x = 18.97
