dbarlam
dbarlam dbarlam
  • 04-02-2021
  • Mathematics
contestada

helpppp plsss
How can you tell without doing division if a number is a multiple of 9?

Respuesta :

StarDev
StarDev StarDev
  • 04-02-2021

1. List out the prime numbers of 9.

  • The prime numbers of 9 is 3.

2. To prove, you can multiply 3 by 3.

3 x 3 = 9

Answer Link

Otras preguntas

I don't understand how to solve this
The triangle below has a total perimeter of 450 cm. Write an equation and solve it to find the length of the longest side of the triangle.
what is good advice for someone creating a video journal?
The equation of KL is y+3=2/3(x-6) Rewrite the equation of the line in slope-intercept form
Joshua is 11 years old, and his dad is 33 years old. What is the ratio of Joshua's age to his dad's age? A.1:4 B.3:4 C.1:3 D.3:1
Help! Can someone please explain how to do this?
If you've traveled to Hawaii or another tropical island, you know that it rains a lot because _____. A. the area is cloudy, warm, and humid B. the area is lu
Find the solution of this system of equations. x=-12+y -21x+12y=-9 PS. Can you just send me the solution in this format: (__ , __)
What is the definition of a root? the base of a word the end of a word the meaning of a word the beginning of a word Description
Blues music is usually written in ________ time.