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Black_prince [1.1K]
3 years ago
15

A can of soda is placed inside a cooler. As the soda cools, its temperature T(x)

Mathematics
1 answer:
solniwko [45]3 years ago
8 0

Answer:

The initial temperature of the soda is 16°C

The temperature of the soda after 18 minutes is -12°C

Step-by-step explanation:

T(x) = -12+28e^-0.38x

When x = 0

T(0) = -12+28e^-0.38(0) = -12+28e^0 = -12+28(1) = -12+28 = 16°C

Initial temperature of the soda is 16°C

When x = 18

T(18) = -12+28e^-0.38(18) = -12+28e^-6.84 = -12+28(0.0011) = -12+0.0308 = -11.9692°C = -12°C (to the nearest degree)

The temperature of the soda after 18 minutes is -12°C

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An engineer is trying to design a runway for an airport. He knows that airplanes have the ability to accelerate at 3.3 m/s ^ 2 a
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Answer:

The proposed 1600 meters runway length is not long enough

Step-by-step explanation:

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Therefore, from the equation of motion for distance traveled, s, acceleration, a, and time taken, t, we have;

s = u·t + 1/2·a·t²

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Given that all planes will start motion from rest, we have;

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Therefore;

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7 0
3 years ago
What is the mean of the values in the dot plot?
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Answer:

Mean = 19.5

Step-by-step explanation:

Mean = sum of numbers ÷ Amount of numbers

Mean = \frac{16+17+17+17+17+19+19+19+19+21+22+22+23+25}{14}

Mean = \frac{273}{14}

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It has one solution.

please see the attached picture for full solution

Hope it helps

Good luck on your assignment...

7 0
3 years ago
Read 2 more answers
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