koruzuu koruzuu
  • 03-10-2016
  • Mathematics
contestada

consider the conjecture "if the sum of the digits of a number is divisible by 9, then the number itself is divisible by 9." is the conjecture true?

Respuesta :

Sydney519 Sydney519
  • 05-10-2016
Yes
54_ 5+4=9           9/9=1      54/9=6
27_ 2+7=9           9/9=1      27/9=3
126_ 12+6=18    18/9=2    126/9=14
Answer Link

Otras preguntas

For positive acute angles A and B, it is known that sin A= 45/53 and cos B= 20/29. Find the value of sin (A-B) in simplest form. HELPP. no work needed I just n
Find the coordinates of M, the midpoint of AB, where A and B have the following coordinates: A(2,12), B(8,4)
HELPPPPPPPPPP PLEASEEEEEEEE!!!!!!
Which of the following are defining features of life? A. Reproduction B. Cells C. Regulation D. All of these are correct
what is the total of 4(n+7) ?
_________ duct carry sperm to urethra
Hypothesis for “Does social media cause depression?”
7times a number is 8 less than the square of that number. Find the positive solution.
If a= 2 m/s2, determine v when t= 2 s if v= 0 when t= 0
(I WILL GIVE BRAINLIEST!!!) Find the measure to triangle TUV