She practices 5 hours a day.
120/4 = 30 hours per week.
30/6 = 5 hours per day.
Answer:
13 1/15 or 196/15.
Step-by-step explanation:
First convert the mixed numbers to improper fractions.
7/3*28/5
The multiply the numerators and the denominators.
7*28=196, 3*5=15: 196/15
Hope this helps! :P
Answer:
The solution is 
Step-by-step explanation:
We have the following equation:

Elevating both sides to 2, we can isolate x




Checking

Answer:
No
Step-by-step explanation:
Use Pythagorean's Theorem
If 26 was 25 it would.
a^2 + b^2 = c^2