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sladkih [1.3K]
3 years ago
14

A friend is planning a trip to Alaska. He purchased a coat that is recommended for outdoor temperatures from −15°F−15°F negative

15 degrees cap f to 45°F
Mathematics
1 answer:
vodomira [7]3 years ago
3 0
The temperature in Alaska can range from 11 °F<span> (in winter, January for example) to 65°F in the summer months (July for example).
In our situation, the friend who is planning a trip to Alaska has a coat that is </span>
is recommended for outdoor temperatures from −15°F to <span>to 45°F. So, the coat suits for the temperatures in Alaska. But the coat must be also water resistant because of the snow falls.</span>
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Step-by-step explanation:

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x = sin^-1 (24/30) = 53.13

sin 53.13 = x/18

x = sin 53.13 x 18 = 14.4

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<h3>What is an extraneous solution?</h3>

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Degger [83]

Answer:

Part a) Exactly values

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Part b) Approximately values

The width of the rectangle is 4.2\ cm

The length of the rectangle is 16.7\ cm

Step-by-step explanation:

see the attached figure to better understand the problem

we know that

The area of rectangle is equal to

A=LW

we have

L=4x\ cm\\W=x\ cm

substitute the values in the formula

A=4x(x)

A=4x^2

A=70\ cm^2

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70=4x^2

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\frac{70}{4}=x^2

square root both sides

x=(+/-)\frac{\sqrt{70}}{2}

The solution is the positive value

x=\frac{\sqrt{70}}{2}

therefore

<em>Exactly values</em>

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<em>Approximately values</em>

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6 0
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