Which of the following are in the correct order from least to greatest?

x

25, 6

80°, 4, 38°

* 7

38°, 80°, 4, 6,23

7

38°, 1.800,

6, 257

7

27, 38°, 80°, 4, 6

Skip to content# Which of the following are in the correct order from least to greatest? x 25, 6 80°, 4, 38° * 7 38°, 80°, 4, 6,23 7 38°,

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Which of the following are in the correct order from least to greatest?

x

25, 6

80°, 4, 38°

* 7

38°, 80°, 4, 6,23

7

38°, 1.800,

6, 257

7

27, 38°, 80°, 4, 6

You have the correct approximate value of k. The part after that is where things get a bit strange.

You don't plug in t = 5 again. We don't know the value of t yet. We're trying to solve for it.

We do know u(t) is 135 as we want the temperature to be 135 degrees. Plug this in and isolate t.

So

u(t) = 70+380e^(-0.1004183888t)

135 = 70+380e^(-0.1004183888t)

135-70 = 380e^(-0.1004183888t)

65 = 380e^(-0.1004183888t)

380e^(-0.1004183888t) = 65

e^(-0.1004183888t) = 65/380

e^(-0.1004183888t) = 13/76

-0.1004183888t = ln(13/76)

-0.1004183888t = -1.7657839828248

t = -1.7657839828248/(-0.1004183888)

t = 17.5842692152893

So it takes about 17.58 minutes for the item to cool to the desired temp

47.5%

Step-by-step explanation: