Answer:
8
Step-by-step explanation:
Using sine rule,
sin 80° ÷ 10 = sin 50° ÷ x
x = sin 50° ÷ (sin 80° ÷ 10)
= 7.77 --> 8
Answer:
5
Step-by-step explanation:
180-133=47
47-2=45
45÷9=5
Is there any more information?
(N instead of X for variable)
N x 7 < 21
Well if the original population is 250 crickets after 6 months it would double to 500. After another 6 months (A year now) it would again double in size to 1000 and so on for 2 more periods of 6 months. After doubling two more times you get 4000, or answer D.
