This is a fraction. So it's y over x. So -12 over 9 equals y over -4. After you put those in fractions, you cross multiply. So -12(-4) is 48, and 9y. Then you set them equal to each other, so 48=9y. You divide 9 on both sides and your answer should be y=5.3
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Answer: 1/4</h3>
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Explanation:
Let's say this school has 1000 students.
5/8 of that amount is (5/8)*1000 = 625. There are 625 students who play sports.
Then we take 2/5 of this to get (2/5)*625 = 250 to represent the number of people who play soccer.
The last step is to divide that result over the original number of students. Reduce as much as possible.
250/1000 = 25/100 = 1/4
Therefore, 1/4 of all the students play soccer
Answer:
Supplementary
Step-by-step explanation:
∠ADW = 60 +90 = 150°
∠ADW + ∠YDW = 150 + 30 = 180°
If sum of two angles is 180, then they are supplementary
Discrete means it ends so for 1 sheet yes it is discrete for endless sheets it would not be