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Aliun [14]
2 years ago
5

A jar contains 0.25 liter of apple juice and 0.30 liter of grape juice. Melissa poured 0.75 liter of pineapple juice into the ja

r. She then drank 0.20 liter of the mixture. Part A: Write an expression to represent the total amount of juice left in the jar. (5 points) Part B: Simplify the expression and identify which property is used in each step. (5 points)​
Mathematics
1 answer:
Lynna [10]2 years ago
4 0

Answer: Part A: 1.10 liter

Total amount of juice left = 0.25 + 0.30 + 0.75 - 0.20

Step-by-step explanation:

(original amount of juice + added juice) - juice that was drank = juice left in the jar

(0.25 + 0.30 + 0.75) - 0.20 =

1.30 - 0.20 =

1.10 left in jar

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Answer:

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Step-by-step explanation:

The question states that y is proportional to \sqrt{x}. In other words, there is a constant a (a \ne 0) such that y = a\, \sqrt{x} for all x \ge 0.

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Since x = 5 and y = x, it must be true that y = 5. Substitute x = 5\! and y = 5\! into the equation y = a\, \sqrt{x} and solve for a:

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