lennyy2935 lennyy2935
  • 23-01-2024
  • Mathematics
contestada

Let n be the number of 4-digit numbers which contain not more than two different digits. The sum of the digits of n is:
A) 9
B) 11
C) 13
D) 15

Respuesta :

Otras preguntas

Need help on #17 please
Can you help me find the value of x and y?
a plane ride lasted 6.4 hours. how many seconds did the plane ride last
how many moles are 1.20×10^25 atoms of phosphorous
Which following examples represent a flat character
complete the following rules with hay que or se probe to show your teacher that you know what is expected of you
please help me with problem 16!!
What is a therapeutic community? A. an out-patient program that consists of group and individual counseling sessions for people recovering from drug abuse B.
What causes soils and their horizons to differ? a. differences in climates where the soils are formed b. differences in plant and animal life in different loca
plz hep in the picture below brainliest 98 pionts