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Orlov [11]
3 years ago
11

Twice a number plus eight times a second number is 19. Five times the first number plus seven times the

Mathematics
1 answer:
-BARSIC- [3]3 years ago
7 0

Answer:

Step-by-step explanation:

2x + 8y = 19

5x + 7y = 15

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How many pints are equal to 233 quarts?
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Answer:

John's standard z-score is 2.383

Step-by-step explanation:

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