Question writer: it's customary to keep the degree sign off of the variable names in trig.
sin y = s/8
tan y = s/t
tan y = sin y / cos y
cos y = sin y / tan y
cos y = (s/8) / (s/t) = (s/8) × (t/s) = t/8
Answer: cos y = t/8, third choice
Answer:
3 bags
Step-by-step explanation:
you can buy three, 20 kg bags
one (1) 20kg bag = $12.8 (1)
three (3) 20 kg bags = $12.8 (3)
= $38
your balance 10 dollars
Answer:
The population grew by 12600 people.
Step-by-step explanation:
In 2010, the population of a city was 180,000. From 2010 to 2015, the population grew by 7%. From 2015 to 2020, it fell by 6%. How much did the population grow from 2010 to 2015, to the nearest 100 people?
Answer:
Step-by-step explanation: