Answer:
The answer is A
Step-by-step explanation:
I draw a graph
A 250-kVA, three-phase, 480-volt transformer requires 75 gallons of insulating oil to keep it properly cooled. How many liters i
1 answer:
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Hi there! Hopefully this helps!
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<h2 /><h2>Answer: 18</h2><h2>~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~</h2><h2 />First we need to substitute the value of the variable into the expression.
=
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Now we need to solve .
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First, calculate 3 to the power of 2 and get 9.
Multiply 2 and 4 to get 8.
Subtract 5 from 8 to get 3.
Multiply 3 and 3 to get 9.
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