Question: Please answer the question attached with all working out 7. The temperature 7C of the water in a kettle rminutes after boiling is modelled by

Please answer the question attached with all working out

7. The temperature 7C of the water in a kettle rminutes after boiling is modelled by the equation T = 20 + 80e'0'5'. (i) What is the initial temperature of the water? [1] (ii) Find the temperature of the water after 5 minutes. [2] (iii) Find the time at which the temperature of the water is 30C. [3] (iv) Find the initial rate of cooling, and the rate of cooling after 2 minutes. [3] (V) What will be the long-term temperature of the water? [1]

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Mathematics Questions!

University of Hartford Department of Civil, Environmental and Biomedical Engineering CE 320 Water Resources Engineering Spring Semester 2017 Lab #5 - Pump Performance Characteristics Report Outline...

Hi this is my THIRD time uploading this, the last time, the tutor did not even take the time to actually do it and Took almost 4 hours since everyone seem to not like the long questions. The first 3...

hil View Assignment https://online.cdu.edu.au/ultra/courses/_58725_1/outline/assessment/_5144067_1/overview/attempt/_5912692_1?co... A" Question 1. Linear association of data [24 marks] X During one...

STATISTICS FOR DECISION MAKING Dr. Azar Abizada HOMEWORK 4 Due Date: Wednesday, March 11th class time Problem 1 (26 points): Be careful, each part of this question is independent of one another. a)...

Question 1 The table below show data that has been collected from different fields from various farms in a certain valley. The table contains the grams of Raspberries tested and the amount of their...

College Algebra MATH 107 Spring, 2017, V4.8 MATH 107 FINAL EXAMINATION This is an open-book exam. You may refer to your text and other course materials as you work on the exam, and you may use a...

Read the given article and answer the question at the end: (This article isn't too difficult to understand once you try to read it, it can be completed in 2 minutes) Consider the following equation:...

I would like assist for my assessment. The subject is Subsidiary Accounts and Ledgers and Foundation Skills. T-1.8.1 Details of Assessment Term and Year 1, 2017 Time allowed Week 2-7 Assessment No 1...

please help me answer this question will rate your answer right away! Requirements: A summary of the key issues and your thoughts about important aspects of an analysis or recommendation. A...

D O NO T Ta KE IF YOU CANNOT ANSWEAR ALL THE QUESTION AS SUPPOSED OR I WILL RATE UNHELPFUL AND REPORT FOR PLAG Peru Domestic: a bond is issued in the US Global: a bond is issued in the US and foreign...

Let f be the matrix transformation defined in Example 5. Find and sketch the image of the rectangle with vertices (0, 0), (1, 0), (1, l), and (0, 1) for h = 2 and k = 3.

Marge Ciccone has applied to you, the assistant manager at her trust company, for a three-year loan to buy a car. She wants $7000 at the current rate of 1% per month. She and her husband, Lou, have...

GED Resdy Highlatht ( 1 ) This excerpt is from remarks President Lyndon B . Johnson made at the signing of the Voting Rights Act of 1 9 6 5 . This act Bows from a clear and simple wrong. Is only...

A company is preparing completing their Cash Budget. The following data has been prepared for cash receipts and payments. January February March Cash receipts $1,061,200 $1,182,400 $1,091,700 Cash...