The answer is 6.875 ish. not exact
29-11=18
18²+18²=p²
324+324=p²
p²=648
p=18√2
That's your answer.
You have to expand the expression so that it becomes
3m+3n
Answer:

Step-by-step explanation:
Given
sinΘ =
= 
Then the hypotenuse = 5 and one leg of the right triangle is 3
Using Pythagoras' identity to find the second leg (x)
x² + 3² = 5²
x² + 9 = 25 ( subtract 9 from both sides )
x² = 16 ⇒ x = 4
cosΘ =
= 
Answer:
i used calculator and got 1
Step-by-step explanation: