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dedylja [7]
3 years ago
7

CAN SOMEONE PLZZ HELP ME THE LAST QUESTION PLZZZZZ?????

Mathematics
1 answer:
MissTica3 years ago
5 0

first is proportional. y is 1 and 1/4 times x

second is not proportional.

reason? divided any y value by its corresponding x value and you'll keep getting 1.25, or 1 and 1/4. and the second one is not proportional because dividing the y values by their corresponding x value will give different answers.

maybe im wrong maybe im right you choose to trust me or not.

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Answer:

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The formula that relates current, power and resistance is

I=\sqrt{\frac{P}{R}}

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I=\sqrt{\frac{P}{R}}\\I=\sqrt{\frac{500}{25}}\\I=\sqrt{20}\\ I=4.47

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