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seraphim [82]
4 years ago
11

What equation results when you cross-multiply 17/d = 51/21

Mathematics
1 answer:
exis [7]4 years ago
4 0

Answer:

357 = 51d

Step-by-step explanation:

17/d = 51/21

Using cross products

17*21 = 51*d

357 = 51d

solving

357/51 = 51d/51

7 =d

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Answer:

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Step-by-step explanation:

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Therefore, the chance of 3 teachers and 3 parents being picked out of 4 teachers and 8 parents is 9/32, or in decimal form 0.28125.

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