Answer:
Part 3)


Part 4) 
Step-by-step explanation:
Part 3)
<em>step 1</em>
Find the value of x
In the right triangle of the figure we know that
The cosine of angle of 30 degrees is equal to the adjacent side to angle of 30 degrees divide by the hypotenuse
so

and remember that

substitute

Simplify

<em>step 2</em>
Find the value of y
In the right triangle of the figure we know that
The sine of angle of 30 degrees is equal to the opposite side to angle of 30 degrees divide by the hypotenuse
so

and remember that

substitute


Part 4) Find the value of x
Applying the Pythagoras Theorem

Simplify

(x+3)2=-9
Got it right on my test
Answer:
Step-by-step explanation:




Hope it helps!
Answer:
plz add more info
Step-by-step explanation:
Answer:
Option D is correct
Step-by-step explanation:
Multiply 7 by 3. then add 3 and make sure the answer is 24.
7 x 3 + 3 = 21 + 3 = 24
Hope this helps!
:)