A First Course in Differential Equations with Modeling Applications (MindTap Course List)
11th Edition
ISBN: 9781305965720
Author: Dennis G. Zill
Publisher: Cengage Learning
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Chapter A, Problem 13E
To determine
The value of the quantity
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1. The heat index (HI) is an estimate of the temperature felt by the human body based on the
actual measured air temperature T (in °F') and relative humidity h,. It is given by
HI = – 42 + 2T + 10h, – 0.227Th, – 1.997T²h,?.
a. If the air temperature in your area is 1070F with a relative humidity of 8%, how hot does your
body feel?
* 1.2
• If x = 0.8, then [x] – x =
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1. -0.8
2. -1
3. -1.8
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4 O
10.
What is the value of the discriminant for the function f(x) = 8x + 13x + 7?
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a. -68
b. -55
С. 0
d. 393
Chapter A Solutions
A First Course in Differential Equations with Modeling Applications (MindTap Course List)
Ch. A - In Problems 1 and 2 evaluate the given quantity....Ch. A - Prob. 2ECh. A - Prob. 3ECh. A - Prob. 4ECh. A - Prob. 5ECh. A - Prob. 6ECh. A - Prob. 7ECh. A - Prob. 8ECh. A - Prob. 9ECh. A - Prob. 10E
Ch. A - Prob. 11ECh. A - Prob. 12ECh. A - Prob. 13ECh. A - Prob. 14ECh. A - Prob. 15ECh. A - Prob. 16ECh. A - Prob. 17ECh. A - Prob. 18ECh. A - Prob. 19ECh. A - Prob. 20ECh. A - Prob. 21ECh. A - Prob. 22ECh. A - Prob. 23ECh. A - Prob. 24ECh. A - In Problems 25 and 26 use the indicated...Ch. A - Prob. 26ECh. A - Prob. 27ECh. A - Prob. 28ECh. A - Prob. 29ECh. A - Prob. 30ECh. A - Prob. 31ECh. A - Prob. 32ECh. A - Prob. 33ECh. A - Prob. 34ECh. A - Show that the beta function is symmetric in x and...Ch. A - Prob. 36ECh. A - Prob. 37ECh. A - Prob. 38ECh. A - Prob. 39ECh. A - Prob. 40ECh. A - Prob. 41ECh. A - Prob. 42ECh. A - Prob. 43ECh. A - Prob. 44ECh. A - Prob. 45ECh. A - Prob. 46ECh. A - Prob. 47ECh. A - Prob. 48ECh. A - Prob. 49ECh. A - Prob. 50ECh. A - Prob. 51ECh. A - Prob. 52ECh. A - Prob. 53ECh. A - Prob. 54ECh. A - Prob. 55ECh. A - Prob. 56E
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- 1. The heat index (HI) is an estimate of the temperature felt by the human body based on the actual measured air temperature T (in °F) and relative humidity h,. It is given by HI = – 42+ 2T + 10h, – 0.227h, 1.997 h,?. a. If the air temperature in your area is 107ºF with a relative humidity of 8%, how hot does your body feel? b. If the air temperature and relative humidity is known to be increasing at a rate of 2ºF sec and 1% per sec, resp., how fast is the heat index changing at the moment when the air temperature in your area is 107ºF with a relative humidity of 8%? (1 рoint) per (4 points)arrow_forward1. Find the value of "MSE " if MST =21", and F= 5.25arrow_forward1. The heat index (HI) is an estimate of the temperature felt by the human body based on the actual measured air temperature T (in °F) and relative humidity h,. It is given by HI = – 42 + 2T + 10h, – 0.22Th, – 1.997²h,². a. If the air temperature and relative humidity is known to be increasing at a rate of 20F per sec and 1% per sec, resp., how fast is the heat index changing at the moment when the air temperature in your area is 1070F with a relative humidity of 8%?arrow_forward
- 1. The heat index (HI) is an estimate of the temperature felt by the human body based on the actual measured air temperature T (in °F) and relative humidity h,. It is given by HI = - 42.379 + 2.049015237 + 10.14333127h, – 0.22475541Th, – (6.83783 x 10-3)T? - (5.481717 x 10-2)h,' + (1.22874 x 103)T*h, + (8.5282 - 10-4)Th,? - (1.99 x 10-6)T h,². a. If the air temperature in your area is 107°F with a relative humidity of 8%, how hot does your body feel? b. If the air temperature and relative humidity is known to be increasing at a rate of 2°F per sec and 1% per sec, resp., how fast is the heat index changing at the moment when the air temperature in your area is 107° F with a relative humidity of 8%?arrow_forward5.7.4. Show that the two formulas (x y) and (Š(x) = Š(y)) are equivalent %3D in N.arrow_forward2 1. 2 r2 dx =? . 4arrow_forward
- 3. x2 – 4x = 77arrow_forward1. The heat index (HI) is an estimate of the temperature felt by the human body based on the actual measured air temperature T (in °F) and relative humidity h,. It is given by HI = - 42.379 + 2.049015237 + 10.14333127h, – 0.22475541TH, – (6.83783 x 10-)T? - (5.481717 x 10-2)h,² +(1.22874 x 103)T*h, + (8.5282 10-4)Th, - (1.99 x 10-")T h,?. a. If the air temperature in your area is 107°F with a relative humidity of 8%, how hot does your body feel? b. If the air temperature and relative humidity is known to be increasing at a rate of 2°F per sec and 1% per sec, resp., how fast is the heat index changing at the moment when the air temperature in your area is 107°F with a relative humidity of 8%?arrow_forward1. The heat index (HI) is an estimate of the temperature felt by the human body based on the actual measured air temperature T (in °F) and relative humidity h,. It is given by HI = - 42 + 2T + 10h, – 0.22TH, - 1.99Th,?. a. If the air temperature in your area is 107°F with a relative humidity of 8%, how hot does your body feel? b. If the air temperature and relative humidity is known to be increasing at a rate of 2°F per sec and 1% per sec, resp., how fast is the heat index changing at the moment when the air temperature in your area is 107°F with a relative humidity of 8%?arrow_forward
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