Remember the divisibility rule for 9. The sum of the digits of the number must be divisible by nine.
Let the digit be
. Then
has to be divisible by nine. Recalling that
, we note that
.
I think it is point 3. Hope that helps
I think its -1 i not very smart so it probably wrong
Answer:
what do you need
Step-by-step explanation:
Answer:
The angle = 144 degrees.
Step-by-step explanation:
Look at it this way (it is a proportion question)
30 people would require a pie chart made of a full circle (360 degrees)
12 people would require x part of the pie chart.
30/360 = 12 / x Cross multiply
30x = 360 * 12 Simplify the right
30x = 4320 Divide by 30
30x/30 = 4320/20
x = 144 Answer
