Answer:
a - 8.5ft
Step-by-step explanation:
() Using trig ratio
sin(45) = x/12
12 * sin(45) = x
x = 8.5
() Using Pythagorean theorem
*special right triangle*
Since x * 
= 12
to find the legs
x = 
x = 8.5
Answer:
25%
Step-by-step explanation:
percent error is found by the equation(measured-real)/real x 100
20 is the measured value and 16 is the real value
(20-16)/16 x 100
4/16 x 100
0.25 x 100
25
hope this helps!
Answer:
6.92
Step-by-step explanation:
h=3 V/pi(r)2
3 times 29/pi(2)2
hope this helps
X = 101
Z = 30
Explanation:
A straight line is equal to 180 degrees. You see the angle equal to 79 is the opposite angle of x. 180 - 79 = 101.
You see that (3z - 11) is the same angle as the one equal to 79. So (3z - 11) = 79. So you think what minus 11 equals 79? 79 + 11 = 90. Now what times 3 equals 90? 90 divided by 3 = 30.
I know this explanation is probably confusing so let me know if I need to explain my explanation lol
8a+4s=840
a=s+30
8(s+30)+4s=840
12s+240=840
12s=600
s=50
A=s+30
a=50+30
a=80
The drama play sold 80 adult tickets
