D , because 28-9=21 and 21=x
Answer:
Options A, C and D are correct ones.
Step-by-step explanation:
Options A, C and D are correct.
Sum means add
sum of the 3 is
n+n+1+n+2
it add to 57
n+n+1+n+2=57
3n+3=57
minus 3 both sides
3n=54
divide both sides by 3
n=15
n+1=16
n+2=17
the integers are 15,16, and 17
Repeating decimals are considered rational numbers because they can be represented as a ratio of two integers. If a number is terminating or repeating, it must be rational if a decimal is both non terminating and non repeating, the number is irrational.
So yes.
Answer:whatever the first number was times 2
Step-by-step explanation:
