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Marrrta [24]
3 years ago
14

A square sandbox has an area of 75 square feet. Estimate the length of one of the sides of the

Mathematics
1 answer:
horsena [70]3 years ago
8 0

Answer:

8.7

Step-by-step explanation:

Since a square has equal side lengths, the formula for area is s^2, where s stands for side. Since we are given the area, s^2=75 square feet. Take the square root of both sides to get s is equivalent to the square root of 75 square feet. When this becomes a decimal, it is 8.66 feet. Since we are supposed to round to the nearest tenths, it rounds up to 8.7 feet per side length

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Answer:

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Step-by-step explanation:

The initial temperature difference of 72 -34 = 38 °F is reduced to a difference of 72 -41 = 31 °F after 35 minutes. The exponential term in the temperature expression could have the factor ...

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Taking the natural log, we find ...

  (t/35)ln(31/38) = -kt

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To the nearest thousandth, this is ...

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Using this in the equation for temperature, we have ...

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Filling in the desired value for t (80), we find the turkey temperature after 80 minutes to be about

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  T ≈ 48 °F

The value of k is about 0.006, and the turkey temperature is about 48 °F.

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2 years ago
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Answer:

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