Answer:
Bc=20
Step-by-step explanation:
Sin61=BC/AC=BC/23
BC=23sin61=20
There is a 3% chance of each light bulb being defective, and we only want 5 of them to be defective. The chance is then:

Or this really small number: 1.13474853e-8
Add the 28 and 42
then divide by 2
there should be 35 kids in group
Answer: 45.24
Step-by-step explanation:
Answer:
Hey there!
40 is 25% of 120.
We can see that 30 is 25% of 120, because 0.25(120)=30.
Hope this helps :)