Answer:
1 1/7 miles
Step-by-step explanation:
Since Kenny can run 2/7 of a mile in 1/4 of a hour we can multiply 2/7 by 4 and we end up with 1 1/7 miles ran.
Answer:
DDKEFD
Step-by-step explanation:
Maybe you should contact your teacher
Answer:
There is no short answer.
Step-by-step explanation:
To find to intervals which f(x) increases or decreases, we first need to find it's derivative.

The function is increasing when it's value is > 0 and decreasing when it's value is < 0.
If we take a look at this graph, cosx+sinx is positive when they are both positive or when cosx is greater then sinx on the negative part.
I hope this answer helps.
Answer:
-7 degrees
Step-by-step explanation:
9am: 5 degrees(current temperature)
10am: 5-4=1 degrees(first hour)
11am: 1-4=-3 degrees(2nd hour)
12pm: -3-4= -7 degrees(3rd hour)