Use the formula a = a+b/2h
Answer:
1/5 hours i.e 0.2 hours (which is 12 mins)
Step-by-step explanation:
First note that 12 1/2 = 12.5, and 2 1/2 = 2.5.
To work out how many hours it takes hime to drive one mile, we divide the number of hours (2.5) by the number of miles (12.5),
i.e 2.5 ÷ 12.5
which equals 1/5 = 0.2 hours (= 12 mins).
Answer:
7x for the first one and −5x^8+12 for the second one
Step-by-step explanation:
please mark me brainliest :)
#1 is 4 for the 1st quartile
She probably does that for exercise. So, she gets to the level that she wants, and she gets more exercise so she gets there faster.