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dimulka [17.4K]
3 years ago
8

Six over n equals twenty-one over twenty-eight A. 13 B. 9 C. 8 D. 15

Mathematics
1 answer:
podryga [215]3 years ago
3 0
C. Or 8, trust!!!!!!!!!
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Apple juice and cranberry juice have been mixed in the ratio
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  • Answer:

2.5875

Step-by-step explanation:

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Please solve this I need it for class.
Agata [3.3K]

Answer:

<em>A =1</em>

<em>B = 9</em>

<em>C = 8</em>

<em>D = 1</em>

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2 years ago
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alexandr1967 [171]

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K here’s another one please help
Luden [163]

Answer:

Both the relations are functions, the correct answer is a.

Step-by-step explanation:

In order to solve this problem we will first find the inverse relation as shown below:

y = 3x^2 + 5\\x = 3y^2 + 5\\3y^2 = x - 5\\y^2 = \frac{x - 5}{3}\\y = \sqrt{\frac{x - 5}{3}} = \frac{\sqrt{x - 5}}{\sqrt{3}}\\y = \frac{\sqrt{x - 5}\sqrt{3}}{\sqrt{3}\sqrt{3}} = \frac{\sqrt{3x - 15}}{3}

Functions are relations between two groups of numbers, for which the input must generate only one output. Using this definition we can classify both the relation and its inverse as a function, therefore the correct answer is a.

7 0
3 years ago
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