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emmainna [20.7K]

3 years ago

12

A coffee cup keeps coffee at 175 degrees for 2 hours each quarter hour after that the coffee loses 15 degrees of warmth what wil

l the temperature of the coffee be after 4 hours who ever actually helps get brainliest and random answers will be reported.

1 answer:

Anestetic [448]3 years ago

3 0

Answer:

I believe the answer is 55 degrees.

Plz don't report me if i'm wrong.

Step-by-step explanation:

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Really need help <br> Five less than twice what negative number squared is 157?

Cerrena [4.2K]

Answer:

-9

Step-by-step explanation:

2(-x)² - 5 = 157

2x² - 5 = 157

add 5 to each side of the equation:

2x² = 162

divide both sides by 2:

x² = 81

√81 = 9 or -9

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What is 1/2 to the 3rd power?

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