The effectiveness of a heat exchanger is defined as the ratio of the maximum possible heat transfer rate to the actual heat transfer rate.

a. True
b. False

For the total population of a large southern city mean family is income 34,000 with a standard deviation for the population of 5000 imagine that you were taking some sample of 200 city residents what is the probability or proportion that your sample mean is between 33,000 and 34000 simplify this please 41 =12d-741=12d7 How many complex and real roots are in the problem (x+10)^9. please please please please help i need to pass please Which of the following example(s) does NOT cause bias in a research study. A) Measuring body temperature with an oral thermometer in half of subjects and an ear thermometer in others B) Counting the number of firefighters at your house to predict if it will be destroyed C) Using a set of standardized questions to measure food intake in children D) Studying workers to see the effects of a new health care law on unemployed my dad is designing a new garden. he has 21 feet of fencing to go around the garden. he wants the length of the garden to be 1 1/2 feet longer than the width. how wide should he make the garden? Consider the following expression and the simplified expression. Expression Simplified Expression 3 x squared + 5 y squared box + 3 box + 4 y squared + 6 9 x squared minus y squared + 9 Which terms could be in the boxes to make the expressions equivalent? Positive 6 x squared and Negative 6 y squared Positive 6 x squared and Negative 10 y squared Positive 9 x squared and Negative 10 y squared Positive 9 x squared and Negative 6 y squared jane will run less than 32 miles this week. So far she has run 19 miles. what are the possible numbers of additional miles she will run ?use t for the number of additional miles she will run. Telegraphic Solution's completed worksheet at November 30, 2018 is as follows: Revenues: Service Revenue $9,600 Expenses: Salaries Expense $2,750 Rent Expense 700Depreciation Expense-Equipment $350 Supplies Expense 550Utilities Expense $700 Total Expenses $5,050 Net Income $4,550 Required: a. Complete the income statement for the month ended November 30, 2018. b. Complete the statement of owner's equity for the month ended November 30, 2018. Assume there were no contributions made by the owner during the month. c. Complete the classified balance sheet as of November 30, 2018 By what percent will the fraction increase if its numerator is increased by 60% and denominator is decreased by 20% ? The local store where Tim shops charges a 7% sales tax for clothing. Complete the table by figuring the cost of the jeans after sales tax is applied. The first row has been done for you. What are the possible sentences in criminal trial? Check all that apply please helpppppp please help please hellpppp Profit Function for Producing Thermometers The Mexican subsidiary of ThermoMaster manufactures an indoor-outdoor thermometer. Management estimates that the profit (in dollars) realizable by the company for the manufacture and sale of x units of thermometers each week is represented by the function below, where x 0. Find the interval where the profit function P is increasing and the interval where P is decreasing. (Enter your answer using interval notation.) P(x) = 0.004x2 + 6x 5,000 Increasing: Decreasing: elaboramos lineas de tiempo sobre de las danzas hatajos de pallas y los avelinopara hoy habla de las danzas hatajos de pallas y los avelinoes para hoyyy Please help! V^2 = 25/81 Find the missing side lengths. Leave your answers as radicals in simplest form. ANSWER QUICK NEED HELP ASAPPP!!! Drag each scenario to show whether the final result will be greater than the originalvalue, less than the original value, or the same as the original value.1. A $30 increase followed by a $30 decrease2. A 20% decrease followed by a 40% increase3. A 100% increase followed by a 50% decrease4. A 75% increase followed by a 33% decrease5. 55% decrease followed by a 25% increase The substance nitrogen has the following properties: normal melting point: 63.2 K normal boiling point: 77.4 K triple point: 0.127 atm, 63.1 K critical point: 33.5 atm, 126.0 K At temperatures above 126 K and pressures above 33.5 atm, N2 is a supercritical fluid . N2 does not exist as a liquid at pressures below atm. N2 is a _________ at 16.7 atm and 56.5 K. N2 is a _________ at 1.00 atm and 73.9 K. N2 is a _________ at 0.127 atm and 84.0 K. A fair die is rolled repeatedly. Calculate to at least two decimal places:__________ a) the chance that the first 6 appears before the tenth roll b) the chance that the third 6 appears on the tenth roll c) the chance of seeing three 6's among the first ten rolls given that there were six 6's among the first twenty roles. d) the expected number of rolls until six 6's appear e) the expected number of rolls until all six faces appear