jackie36390 jackie36390
  • 10-02-2019
  • Mathematics
contestada

I need help u guys plzz?

I need help u guys plzz class=

Respuesta :

giraffe72663
giraffe72663 giraffe72663
  • 10-02-2019

Answer:

90

Step-by-step explanation:

10!/(10-2)!

n!=n(n-1)!

10•9•8!/(10-2)!

10•9•8!/8!

The 8! cancels out and you're left with 10•9

So, your answer is 90

Answer Link

Otras preguntas

Theme paragraph Apollo 13
ASAP FOR MUSIC please help me with these 2 questions.
Solve for the missing variable
I need help with this asap
M=8;(-2,16) write an equation in slope intercept given the slope and a point on the link
which pair contributed to the development of political parties in the united states?
2. The perimeter of a rectangle is 56m. The length is two less than four times the width. Find the length.
A cell phone company charges a monthly fee of $50 for 300 minutes. Each addition minute costs $0.05. Determine if the function is linear or no linear and explai
The relationship between the map distance and the corresponding distance on the ground is known as the
Someone answer my last question and I'll give all my points, I'll rate all your answers a 5/5, and I'll mark you brainliest. ONLY if it's a good answer. Please.