Sb please help !!!!!
1 answer:
Answer: The misiing angle is approximately 30 degrees
Step-by-step explanation:
52 refers to the length of the adjacent side, and 6p refers to the length of the hypotenuse side. You need to use Cosine, because cosine = adj/hyp.
Calculate the inverse of cos of 52/60 —, to get 30 degrees.
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Answer:
20 people only buy dvds.
Step-by-step explanation:
There are two groups in this problem. One group of people that buys dvds and one that buys blu rays. The total amount of people who buy blu rays is 300, but there's an intersection between the groups and the size of this is 280 people who actually buy both. In order to find out how many people only buy DVDs we first need to figure out how many only buy blu-rays. That is:
people who only buy blu rays = people who buy blu rays - people who buys blu rays and dvds
people who only buy blu rays = 300 - 280 = 20
We can now calculate the amount of people who only buy dvds and that is:
people who only buy dvds =total amount of people - ( people who only buy blu rays + people who buy both)
people who only buy dvds = 320 - (20 + 280) = 320 - 300 = 20 people
