Step-by-step explanation:
The numerical expression is:
(36 + 14) / (2 * 5).
First of all i think theres a mistakein the question;
i think it is sin θ =

and then sin 30° =

thus θ= 30°
Answer:
It is 11/15
Step-by-step explanation:
First u add all the numbers to get the total which is 15. Then u add the number of beads that are not pink so it is 7+4 which is 11/15
20*2=40
40*50=2000
2000/60=33.33
about 33 hours by lifting by hand