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Stels [109]
3 years ago
8

You are using a Jupyter Notebook to explore data in a DataFrame named productDF. You want to write some inline SQL by using the

following code, and visualize the results as a scatter plot: %%sql SELECT cost, price FROM product What should you do before running a cell with the %%sql magic? a. Create a new DataFrame named product from productDF.select("cost", "price") b. Persist the productDF DataFrame using productDF.createOrReplaceTempView("product") c. Filter the productDF dataframe using productDF.filter("cost == price") d. Rename the columns in the productDF DataFrame using productDF.withColumnRenamed("cost", "price")
Engineering
1 answer:
defon3 years ago
7 0
You need to explain it more simple as everyone is clueless
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Answer:

Q' = 8 KW.h

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Explanation:

Given that

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Q' = 4 x  2 KW.h

Q' = 8 KW.h

We know that

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We know that W  = 1 J/s

The amount of energy used in KJ given as

Q' = 8 x 3600 = 28800 KJ

Therefore

Q' = 8 KW.h

Q'=28800 KJ

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3 years ago
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The Danish scientist Niels Bohr proposed a model of the atom that is not totally accurate today but still contains components th
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Option B

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