The sum is adding
3 times a number is 3x
And 15 is +15
3x+15
B) 12 inches would be the most accurate measurement.
Since the ruler is exactly 1 foot long, the most accurate measurement is 12 inches. 12.005 is a tempting answer, since it is the most specific/exact, but 12 inches is the most accurate, since this is equal to exactly one foot.
Answer:
Step-by-step explanation:
Rational numbers:
-are all numbers you can write as a quotient of integers ,
-include terminating decimals. For example,
-include repeating decimals. For example,
Irrational numbers:
-have decimal representations that neither terminate nor repeat. For example,
-cannot be written as quotients of integers