Answer:6 17/18 hours
Step-by-step explanation:
We are informed that on Monday Katie spent 2 1/6 hours studying while onn Tuesday she spent another 4 7/9 hours studying.
The combined length of time she spent studying will be the addition of the numbers of hours spent studying on Monday and Tuesday. This will be:
= 2 1/6 + 4 7/9
= 2 3/18 + 4 14/18
= 6 17/18
She used a total of 6 17/18 hours studying
Just divide by 2 2/8 2/4 6/8
Answer:

Step-by-step explanation:
For the first one, in any triangle, we have the sum of two sides is greater than the third side. Hence, we have 3 inequalities:
, which give us
. We conclude that
.
For the second question, we have
, and similarly we can show that
. Hence,
.
The third question is not very clear.
Answer:
Option C: None of the above
Step-by-step explanation:
1/4 - 5/4 = -4/4
60
The strategy is 5 or up, round it up
4 or down, round it down
Have a brainly day :)