First subtract 2 revolutions from the - 840 :- (- (840-720) = -120
This gives sin -120 which is in the 3rd quadrant of the unit circle
sin -120 = - sin 60 = - sqrt3/2
Matthew made $15
Matthew 60% + Luke 40%= Profit 100%
if profit is $25; 60% will be: 0.60* $25=$15 ; Matthew's share
40% will be: 0.40* $25 =10 ; Luke share
Answer:
I believe the answer would be 20.
Step-by-step explanation:
28/7 = 4
5*4 = 20
Pls mark brainliest <3