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Alina [70]
2 years ago
12

The temperature is 6°F outside right now and is dropping 2° every hour. Aletta wants to know how many hours it will take for the

temperature to reach -10°F. The table shows how she wrote and solves and inequality. did aletta get the correct answer? if no, explain what she did wrong.
please answer right away!!!

Mathematics
1 answer:
DedPeter [7]2 years ago
7 0

Answer:

It will take 8 hours

Step-by-step explanation:

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The diagram shows a 3 cm x 5 cm x 4 cm cuboid
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Answer:

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b) The angle ACD is approximately 34.5º.

Step-by-step explanation:

a) Since AB \perp BC, the length of segment AC is determined by Pythagorean Theorem, that is:

AC = \sqrt{(5\,cm)^{2}+(3\,cm)^{2}}

AC \approx 5.831\,cm

The length of segment AC is approximately 5.831 centimeters.

b) Since AB \perp BC \perp AD, the length of segment AD is determined by this Pythagorean identity:

AD = \sqrt{(3\,cm)^{2}+(5\,cm)^{2}+(4\,cm)^{2}}

AD \approx 7.071\,cm

The angle ACD is determined by the following trigonometric expression:

\cos C = \frac{AC}{CD}

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\cos C = 0.825

C = \cos^{-1} 0.825

C \approx 34.448^{\circ}

The angle ACD is approximately 34.448º.

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marshall27 [118]
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3 years ago
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Step-by-step explanation:

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Nana76 [90]

Answer:

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Step-by-step explanation:

principal = 220000

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