3. The body of a murder victim was discovered in the early hours of the morning at2:00 a.m. The police surgeon arrived at 2:30 a.m. and immediately took thetemperature of the body, which was 94.7°F. One hour later the temperature of thebody was 93.4°F. Surrounding temperature was constant at 90°F. If the normalbody temperature is 98.6°F,a) Formulate a mathematical model for the temperature of the body as a function oftime.b) Solve the modelc) Use your solution in b) to estimate the time of death.

Answered: Image /qna-images/answer/17565878-8e6d-46be-b64c-e44e9a0b6ecd.jpg

Answered: 3. The body of a murder victim was…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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Given μ=110 and σ=10 in a college entrance examination, find the corresponding z-value of the scores gained by the following students. Show all the solutions and sketch it graph. 1. X=982. X=653. X=1204. X=745. X=135
This question has several parts that must be completed sequentially. If you skip a part of the question, you will not receive any points for the skipped part, and you will not be able to come back to the skipped part.If a tank holds 4000 gallons of water, which drains from the bottom of the tank in 50 minutes, then Toricelli's Law gives the volume V of water remaining in the tank after t minutes as the following. Therefore, when t = 5, the rate at which the water drains is V'(5)
Show all steps please.
Using Exhibit 15, answer the following questions. i) State and interpret the coefficient of the intercept. ii) Write the value of the coefficient of time and interpret it. iii) State and interpret the estimated coefficient for the second quarter. iv) State the quarter with the second highest total energy. State the value and interpret this value. v) Without stating the hypotheses for the test, determine if the total energy produced in Quarter 3 is different to the production in Quarter 4. Use a 1% level of significance and show all the steps. vi) Next, using this estimated model predict the total energy production for Quarter 3 in 2023. To do so: First, write down the value for the “Time” variable. [Hint: Time = 1 in Qtr 1 2014] Second, write down the value for each of the quarterly dummy variables for Quarter 3 2023. Third, write down the equation substituting these quarterly dummy values in the model (equation) to predict the total energy production for Quarter 3 2023.
The table shows two cylindrical-shaped containers that store gelatin. Container 1 Container 2 5 cm 6 cm 12 cm 10 cm Which statement is true? (Use 3.14 as an approximation of pi.) O Container 1 holds approximately 126.7 cm more gelatin than Container 2. O Container 1 holds approximately 188.4 cm more gelatin than Container 2. O Container 2 holds approximately 126.7 cm more gelatin than Container 1. O Container 2 holds approximately 188.4 cm more gelatin than Container 1. A Calculator hp esc 2$ % & 2 5 %# 3
A person scores X = 65 on an exam. Which set of parameters would give this person the worst grade on the exam relative to others? a. µ = 60 and σ = 5 b. µ = 70 and σ = 10 c. µ = 70 and σ = 5 d. µ = 60 and σ = 10
QUESTION 8 On some highways, a car can legally travel 20 km/hr faster than a truck. Travelling at maximum legal speeds, a car can travel 120 kms in 18 minutes less than a truck. What are the maximum legal speeds for cars and for trucks? Car = 110 km/hr & Truck = 90 km/hr Car = 120 km/hr & Truck = 100 km/hr Car = 100 km/hr & Truck = 80 km/hr %3D O Car = 90 km/hr & Truck = 70 km/hr
2. Two containers A and B contain different liquids which are kept at a constant temperature. The temperature of the liquid in containers A and B are 0° C and 100° C, respectively. A metal bar at 100° C is initially put into container A. After one minute, the temperature of the metal drops to 90° C. Determine the temperature of the metal after two minutes in container A b. After two minutes, the metal is transferred to container B. One minute later, the temperature of the metal increases by 10° C. Determine the total time required from the start of the process for the metal to reach 95° C.

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