Answer:
a = 
Step-by-step explanation:
Using Pythagoras' identity in the right triangle.
The square on the hypotenuse is equal to the sum of the squares on the other 2 sides, that is
a² + 9² = 12²
a² + 81 = 144 ( subtract 81 from both sides )
a² = 63 ( take square root of both sides )
a =
Answer:
273.94 hours.
Step-by-step explanation:
1 day = 0.75 hours of practicing in a day.
365.25 = x
1/365.25 = 0.75/x Cross multiply
x = 0.75 * 365.25 Combine
x = 273.94 hours
O+o+2>36
2o>34
o>17
o1>17
o2>19
o is equal to odd number
Answer:
5x maybe dont take my word
Answer:
15
Step-by-step explanation:
3 students can fit in one table. 5*3=15
