deirdremarshaloxl1fc deirdremarshaloxl1fc
  • 10-10-2017
  • Mathematics
contestada

Using three of the letters of the​ alphabet, how many two​-letter codes can we form if we are allowed to use the same letter more than​ once?

Respuesta :

cmerkle8236
cmerkle8236 cmerkle8236
  • 10-10-2017
AA
AB
AC
BB
BC
CC


(That's 6)
Answer Link

Otras preguntas

How many moles of O2 are produced when 0.500mol of KO2 reacts in this fashion?
Which area became part of the Islamic Empire by the eighth century? A. Greece B. France C. Italy D. Spain
What was the Marshall Plan? A. a program to aid European nations and to promote prosperity and democracy B. a military plan to defeat the Soviet Union and conta
which is bigger 3/7 or 2/5
In a chemical reaction you begin with 18 atoms. When the reaction is over you would expect to have __________ atoms remaining.
In which sentence is the fraction written correctly? A. Sharon walked three-fourths of a mile. B. I will pay one half of this bill. C. Sabrina shared two-thirds
Which particle of the atom has no charge? A. electron B. nucleus C. neutron D. proton
which is bigger 3/7 or 2/5
The visitor counts for three years at Cabrillo National Monument in San Diego, California, are as follows: Fiscal Year 2003: 960,182 Fiscal Year 2002: 1,045,5
Which of the following factors is not used in calculating the specific heat of a substance? A. mass B. temperature change C. heat required for a temperature cha