First order equations - Study guides, Class notes & Summaries

The eleventh month of the year is: A. January B. November C. October D. May The correct answer is (B). The eleventh month of the year is November. A shop owner bought some shovels for $5,500. The shovels were sold for $7,300, with a profit of $50 per a shovel. How many shovels were involved? A. 18 B. 36 C. 55 D. 73 E. 90 F. None of these The correct answer is (B). The total profit from the sale is the selling price minus the cost of purchase, which is $7300-$5500= $1800.If the...

E If a ≠ b and 1/x + 1/a = 1/b, then x = A. 1/b - 1/a B. b - a C. 1/ab D. a - b/ab E. ab/a - b C The graph of which of the following equations is a straight line parallel to the graph of y = 2x ? A. 4x - y = 4 B. 2x - 2y = 2 C. 2x - y = 4 D. 2x + y = 2 E. x - 2y = 4 A An equation of the line that contains the origin and the point (1, 2) is A. y = 2x B. 2y = x C. y = x -1 D. y = 2x +1 E. y/2 = x - 1 E An apartment building contains 12 units consisting of ...

INTRODUCTION Dear Student Welcome to MAT2615. We trust that you will find the mathematics studied in this module interesting and useful, and that you will enjoy doing it. THIS TUTORIAL LETTER CONTAINS INFORMATION TO FACILITATE YOUR STUDIES. PLEASE READ IT CAREFULLY AND KEEP IT FOR FUTURE REFERENCE. The delivery mode for this module is “blended”, which means that only some study material will be printed and posted to you. All study material which may include additional material will be...

Molarity (M) - mols solute / L of solution Molality (m) - mols solute / kg solvent Freezing point depression / boiling point elevation deltaT(b) or deltaT(f) - deltaT(b or f) = i*K(b or f)*m i = Van't Hoff factor Kb or Kf = constant m = molality of solute Osmotic pressure (pi) - pi = i*M*R*T i = Van't Hoff factor M = molarity R = gas law constant 0.08206 L*atm/K*mol T = temperature (K) Van't Hoff factor (i) - i = mols of particles in solution / mols of solute dissolves applies fo...

Real asvab test!!! Questions and correct Answers A square has how many sides? ( How much is 2 plus 2 A rose is a what? ( What is the best explanation of how a smooth round stone became smooth? If you place bean seeds between moist paper towels and watch the stem leaves appear you will see a demonstration of? ( Any astronomical body that revolves around a larger body is called? In chemistry, to be classified as an organic substance, a substance must contain? What element do...

MTTC Test (Lower Elementary Test #119) Exam Questions With 100% Correct Answers 1. A kindergarten teacher observes as a small group of students practice comparing numbers and quantities using manipulatives. Each student has four counters. One student's counters are spaced farther apart than the other students' counters, and several members of the group claim that student has more counters than everyone else. The teacher can build on the students' understanding of counting and cardinali...

NIFE ENGINES QUESTIONS AND ANSWERS GRADED A+ What is Bernoulli's theorem Any incompressible fluid that passes through a convergent opening, velocity increase, pressure decreases What is Bernoulli's Equation Pt=Ps+Pk Which type of air is compressible? Supersonic air What happens to Velocity and Pressure in a nozzle Pressure decreases, velocity increases What happens to Velocity and Pressure in a diffuser? Pressure increases, velocity decreases Draw the tootsie roll method Left...

Math 246 Notes May 7, 2021 This note may contain some typos. Feel free to message me if you see any typos. Contents 1 Week 1 3 1.1 First-Order Equations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 1.1.1 Explicit First-Order Equations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 1.1.2 First-Order Linear Equations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 1.2 Summary . . . . . . . . . . . . . . . . . . . . . ....

Test Bank for Cornerstones of Managerial Accounting 4ce 4th Canadian Edition by Maryanne M. Mowen/Don R. Hansen/David J. McConomy/Bradley D. Witt. ISBN-13: 5261 Full Chapters test banks are included. Chapter 1: Introduction to Managerial Accounting What Is Managerial Accounting? Comparison of Managerial and Financial Accounting Current Focus of Managerial Accounting The Role of the Management Accountant Managerial Accounting, Ethical Conduct, and Social Responsibility Accounting Desi...

SOPHIA| College Algebra - Final Milestone with Answers!!| SPRING 2021 You passed this Milestone 23 questions were answered correctly. 2 questions were answered incorrectly. 1 Which of the following equations is correctly calculated? • -2 × -7 = -14 • 81 ÷ -9 = -9 • -36 ÷ 4 = 9 • 4 × 12 = -48 RATIONALE This is correct. The quotient of a positive and negative number is always negative. This is incorrect. The product of two negative numbers is...