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

An element has the atomic number 72. The number of protons and electrons in a neutral atom of this element is
This is all I have. I need help on how Nick feels. I’m confused on that part.
The same-side interior angles formed when two parallel lines cut by a transversal are 45° and x. Find x. a 45° b 90° c 135° d 180°
where is Gua Badak?please help me​
SOMEONE PLEASE HELP ME WITH THIS QUESTION ASAP AND SHOW WORK
Match each word with the phrase that best defines it. Zionism an order putting a nation in charge of managing another nation mandate the act of becoming part of
Draw a line to match each fraction, decimal, or percent in Column A to the equivalent value in Column B. A B 40/50 1 3/4 13%
help ls will give brainliest to the first person with a good answer
Why is it important to test with BOTH colours of litmus paper?
Evaluate f(-2) where f(x)=2x^3-x^2+3