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Ivan
3 years ago
9

Need these in 10 mins: Solve by substitutions 1) X+Y=6 3x+2y=15 2 2x+Y=20 3) 6x-SY=r

Mathematics
1 answer:
Mrrafil [7]3 years ago
4 0
3 is the answer just had this on my quiz
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In the drawer you have 8 black socks and 5 yellow socks, if you pick 2 socks what is the probability that pick out a black sock
Nataliya [291]

Answer:

10/39

Step-by-step explanation:

The chances of picking a black sock on first try are 8/13, and the chances of picking out a yellow sock without replacing the black sock are 5/12. If you multiply 8/13 and 5/12, you get 40/156, and if you simplify, you will get 10/39 as your answer.

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A low calorie dinner has 480 calories in an 9 ounce serving. What is the unit rate in simplest form? 9/48 160/3 48/9 3/160
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Step-by-step explanation:

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Note that 480 is divisible by 3 and 9 as well. 480/3 = 160 and 9/3 = 3. Therefore, 480/9 = 160/3.

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2 years ago
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