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3 years ago

15

when they said went to bed the outside temperature was 28 degrees Fahrenheit when you woke up the next morning the temperature h

ad decreased by -13 degrees Fahrenheit is how many degrees did the temperature changed overnight

1 answer:

Ghella [55]3 years ago

7 0

Answer:

41 degrees

Step-by-step explanation:

just subtract

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2 years ago

The size of a TV is measured by its diagonal. You want to buy a TV that has a 32

ANEK [815]

The width of the TV is 27.9 inches

Step-by-step explanation:

Given,

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The diagonal makes the TV into a right triangle,

Therefore,

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Height = perpendicular = a = 15.7 inch

Width = base = b

Using pythagoras theorem

$a^2+b^2=c^2\\(15.7)^2+b^2=(32)^2\\246.49+b^2=1024\\b^2=1024-246.49\\b^2=777.51$

Taking square root on both sides

$\sqrt{b^2}=\sqrt{777.51}\\b=27.88$

Rounding off to nearest tenth

b = 27.9 inches

The width of the TV is 27.9 inches

Keywords: Pythagoras theorem, square root

Learn more about square root at:

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