carlyfaith5084
carlyfaith5084
01-05-2018
Mathematics
contestada
17. Evaluate a. 6! b. 8P5 c. 12C4
Respuesta :
sheavner
sheavner
01-05-2018
the factorial ! just means we multiply by every natural number less that the value so
6! =6×5×4×3×2×1= 720
for permutations we use the formula n!/(n-r)!
so we have 8!/(8-5)!=8!/3!=8×7×6×5×4
for combinations s we have n!/(n-r)!r!
so we have 12!/(12-4)!4!=12!/8!4!=12×11×10×9/4×3×2=11×10×9/2=99×5
Answer Link
VER TODAS LAS RESPUESTAS ( 89+ )
Otras preguntas
what is the absolute value of the complex number -4 — √2i
Quadrilateral abcd is inscribed in this circle. what is the measure of angle a?
When a molecule can best be represented as a series of resonance forms, each of these forms always contributes to the same degree in the hybrid?
Dr. shiguli wants to determine the lightest touch that can be felt by various animals compared to human beings. he would therefore be interested in finding the
Which of the following is true about a writer’s diction? a.When the writer uses sophisticated vocabulary, the diction is informal. b.When the writer uses comple
Which of the following was a territory the United States took from Spain after the Spanish–American War? A. Puerto Rico B. Hawaii C. Cuba D.
If you tell a friend you don't have any money to lend him when in reality you do, you're demonstrating which of the "reasons for lying"?
If the points (-2, 2), (-4, 4), (2, -2), and (4, -4) are joined to form a straight line, at what point does the line intersect the y-axis
A string of lights contains three lights. the lights are wired in series, so that if any light fails the whole string will go dark. each light has probability .
The actions of the pueblo indians at santa fe in 1680 can best be described as:
