Answer:
We conclude that eighty percent of bike tires last at most 14.4 months.
Step-by-step explanation:
We know that a pair of bike tires can last 18 months if used every day.
We calculate how much eighty percent of the tire will last in months.
We have the following proportion:

We conclude that eighty percent of bike tires last at most 14.4 months.
Answer:
Step-by-step explanation:
Well, one example would be
459620
Any digit from 1 to 9 can replace the 0 and leave a result of a 4 that is 10 times larger than the given 4.
Answer:
below
Step-by-step explanation:
n = 30
cos 2*30 = cos 60 = 1/2
sin 30 = 1/2
2m = 30
m=15
1. Divide the first term of the numerator by the first term of the denominator, and put that in the answer.
2. Multiply the denominator by that answer, put that below the numerator.
3. Subtract to create a new polynomial.