Answer:
Step-by-step explanation:
Sin80° = opp/hyp
Sin80° = 21/y
ysin80° = 21
y = 21/sin80°
y = 21.3
Answer:
36:12. 36 is the teeth on the front socket and 12 is the teeth on the rear socket. All you need to do is simplify by finding the greatest common factor (GCF) of 36 and 12-which is 12, then divide by the GCF. This gives you 3:1. The gear ratio for the bike is 3 teeth on the front socket for every 1 teeth on the rear socket (3:1)
If you want to add friends on brainly click their profile picture you will see send friend request click on it and then boom you are friends with that person but you have to wait until the person add you back.
Step-by-step explanation:
Mark me as brainliest
Answer:
There it gose
Step-by-step explanation:
Evidence suggests that 16 year olds brain has not developed enough to drive responsibly.The first discusses the impact of teenage emotions on driving, and the second focuses on their lack of experience because they’re so young.
Hope this helps :)
Answer:
first one is 1:1 reduction and the second one is 2
Step-by-step explanation:
