A. 11/30 x 50= 18/36=1/2
18/36 x 1/10= 5/100
B. 1,210 x 1.1= 1,331
I am not so sure about A, but I hope this helps a little.
Answer:
311
Step-by-step explanation:
280 + 31 = 311
Answer:
x = 9.7
Step-by-step explanation:
Reference angle (θ) = 68°
Opposite = 24
Adjacent = x
Apply, the trigonometric function, TOA which is:

Plug in the values

Multiply both sides by x

Divide both sides by tan 68

x = 9.69662942
x = 9.7 (nearest tenth)