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AnnZ [28]
4 years ago
15

Does the equation −2x + y = 0 represent a direct variation? If so, identify the constant of variation.

Mathematics
1 answer:
Vikentia [17]4 years ago
3 0
Adding 2x to both sides we get

y = 2x

This is direct variation   where the constant is 2. 
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3 years ago
How much time is needed for a 15,000 W engine to do 1,800,000 J of work? (Power: P = W/t) 0.008 s 8 s 120 s 1,785,000 s
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By definition, the power is given by:
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 By definition, the power is given by:
 Where,
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is needed for a 15,000 W engine to do 1,800,000 J of work about:
 
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