unicorn2521 unicorn2521
  • 03-11-2019
  • Mathematics
contestada

Is the following conditional true?
If an integer is divisible by 9, then its digits add up to 9.
yes
no

Respuesta :

taylorbb taylorbb
  • 03-11-2019
Yes

Explanation:
2x9=18 and 1+8=9

The pattern repeats
Answer Link
anastasiaandu1p689tu
anastasiaandu1p689tu anastasiaandu1p689tu
  • 03-11-2019
Yes, it is true. Ex. 3 x 9 = 27, 2 + 7 = 9.

If you happen to have a larger number say, 639, you might have to add the digits together multiple times before you have your answer so, 6 + 3 + 9 = 18, then 1 + 8 = 9, so it is divisible by 9.
Answer Link

Otras preguntas

blank plus 2/3 equals 11/12
How is electricity important to invention in general
In a complete circuit, several factors can have an effect on the current that is transferred through a circuit. More resistant transfer wires make the current _
factor comun monomio
A Lorry is travelling at 13.5 m/s along a stretch of road where the speed limit is 50kmh 1 km = 1000m 1hr= 3600s show that the lorry is travelling below the sp
write a compare and contrast an essay about the similarities and the differences between dolphins and sharks
What is the weight, in n, of an object with a mass of 200 kg at a location where g = 9.6 m/s2. round the final answer to the nearest whole number?
Find the x-intercepts and y-intercept for the parabola below. Write answers as (x,y) coordinates. y=-7x2-4x+3 x-int:______________ y-int:________
6 sparkly pens cost 9.00 what is the unit price
Part of respiratory system where gas exchange does not occuris called