1 Arithmetic Of Whole Numbers 2 Fractions 3 Decimal Numbers 4 Ratio, Proportion, And Percent 5 Measurement 6 Pre-algebra 7 Basic Algebra 8 Practical Plane Geometry 9 Solid Figures 10 Triangle Trigonometry 11 Intermediate Algebra 12 Statistics expand_more
7.1 Algebraic Language And Formulas 7.2 Adding And Subtracting Algebraic Expressions 7.3 Solving Simple Equations 7.4 Solving Two-operation Equations 7.5 Solving More Equations And Solving Formulas 7.6 Solving Word Problems 7.7 Multiplying And Dividing Algebraic Expressions 7.8 Scientific Notation Chapter Questions expand_more
Problem 1P: Evaluate formulas and literal expressions. If x = 2, y = 3, a = 5, b = 6, find the value of (a) 2x+y... Problem 2P: Perform the basic algebraic operations. (a) 3ax2 + 4 ax2 ax2= ______ (b) 5x 3y 8x + 2y = ______... Problem 3P: Solve linear equations in one unknown and solve formulas. (a) 3x 4 = 11 x = _____ (b) 2x = 18 x... Problem 4P: Translate simple English phrases and sentences into algebraic expressions and equations. Write each... Problem 5P: Solve word problems. (a) Trades Management An electrician collected 1265.23 for a job that included... Problem 6P: Multiply and divide simple algebraic expressions. (a) 2y3y (b) (6x4y2)(2xy2) (c) 3x(y2x) (d) 10x72x2... Problem 7P: Write in scientific notation. Use scientific notation. (a) 0.000184 (b) 213.000 Calculate. (c)... Problem 1APS: A. Find the value of each of the following. Round to two decimal places when necessary. L = 2W 3... Problem 2APS: A. Find the value of each of the following. Round to two decimal places when necessary. M = 3x 5y +... Problem 3APS: A. Find the value of each of the following. Round to two decimal places when necessary. I = PRt for... Problem 4APS: A. Find the value of each of the following. Round to two decimal places when necessary. I=VR for V =... Problem 5APS: A. Find the value of each of the following. Round to two decimal places when necessary. V = LWH for... Problem 6APS: A. Find the value of each of the following. Round to two decimal places when necessary. N = (a +... Problem 7APS: A. Find the value of each of the following. Round to two decimal places when necessary. L=s(P+p)2... Problem 8APS: A. Find the value of each of the following. Round to two decimal places when necessary. f=18N for N... Problem 9APS: A. Find the value of each of the following. Round to two decimal places when necessary. t=DdL for D... Problem 10APS: A. Find the value of each of the following. Round to two decimal places when necessary. V=gt22 for g... Problem 1BPS: B. Simplify. 4x + 6x Problem 2BPS: B. Simplify. 6y + y + 5y Problem 3BPS: B. Simplify. 3xy + 9xy Problem 4BPS: B. Simplify. 6xy3 + 9xy3 Problem 5BPS: B. Simplify. 313x114x58x Problem 6BPS: B. Simplify 8v 8v Problem 7BPS: B. Simplify. 0.27G + 0.78G 0.65G Problem 8BPS: B. Simplify. 7y 8y2 + 9y Problem 9BPS: B. Simplify. 3x 7x Problem 10BPS: B. Simplify. (4m)(2m2) Problem 11BPS: B. Simplify. (2xy)(5xyz) Problem 12BPS: B. Simplify. 3x 3x 3x Problem 13BPS: B. Simplify. 57 53 Problem 14BPS: B. Simplify. (6a2b)(4a3b4c) Problem 15BPS: B. Simplify. 3(4x 7) Problem 16BPS: B. Simplify. 2ab(3a2 5b2) Problem 17BPS: B. Simplify. (4x + 3) + (5x + 8) Problem 18BPS: B. Simplify. (7y 4) (2y + 3) Problem 19BPS: B. Simplify. 3(x + y) + 6(x y) Problem 20BPS: B. Simplify. (x2 6) 3(2x2 5) Problem 21BPS: B. Simplify. 6864 Problem 22BPS: B. Simplify. x3x8 Problem 23BPS: B. Simplify. 12m104m2 Problem 24BPS: B. Simplify. 6y10y3 Problem 25BPS: B. Simplify. 16a2b24ab3 Problem 26BPS: B. Simplify. 8x44x3+12x24x2 Problem 1CPS: C. Solve the following equations. Round your answer to two decimal places if necessary. x + 5 = 17 Problem 2CPS: C. Solve the following equations. Round your answer to two decimal places if necessary. m + 0.4 =... Problem 3CPS: C. Solve the following equations. Round your answer to two decimal places if necessary. e 12 = 32 Problem 4CPS: C. Solve the following equations. Round your answer to two decimal places if necessary. a 2.1 = 1.2 Problem 5CPS: C. Solve the following equations. Round your answer to two decimal places if necessary. 12 = 7 x Problem 6CPS: C. Solve the following equations. Round your answer to two decimal places if necessary. 412x=6 Problem 7CPS: C. Solve the following equations. Round your answer to two decimal places if necessary. 5x = 20 Problem 8CPS: C. Solve the following equations. Round your answer to two decimal places if necessary. 4m = 24 Problem 9CPS: C. Solve the following equations. Round your answer to two decimal places if necessary. 12y=16 Problem 10CPS: C. Solve the following equations. Round your answer to two decimal places if necessary. n6=11 Problem 11CPS: C. Solve the following equations. Round your answer to two decimal places if necessary. 22 = 8 4x Problem 12CPS: C. Solve the following equations. Round your answer to two decimal places if necessary. 2x + 7 = 13 Problem 13CPS: C. Solve the following equations. Round your answer to two decimal places if necessary. 4x + 11 = 35 Problem 14CPS Problem 15CPS: C. Solve the following equations. Round your answer to two decimal places if necessary. 0.5x 16 =... Problem 16CPS: C. Solve the following equations. Round your answer to two decimal places if necessary. 0.5x 16 =... Problem 17CPS: C. Solve the following equations. Round your answer to two decimal places if necessary. 3g 12 = g +... Problem 18CPS Problem 19CPS Problem 20CPS: C. Solve the following equations. Round your answer to two decimal places if necessary. 2 (2x + 3)... Problem 21CPS Problem 22CPS: C. Solve the following equations. Round your answer to two decimal places if necessary. 2(x + 1) x... Problem 23CPS Problem 24CPS: C. Solve the following equations. Round your answer to two decimal places if necessary. 2m 6 4m =... Problem 25CPS: C. Solve the following equations. Round your answer to two decimal places if necessary. 9 + 5n + 11... Problem 26CPS: C. Solve the following equations. Round your answer to two decimal places if necessary. 6(x + 4) =... Problem 27CPS: C. Solve the following equations. Round your answer to two decimal places if necessary. 5y (11 2y)... Problem 28CPS: C. Solve the following equations. Round your answer to two decimal places if necessary. 4(3m 5) =... Problem 29CPS Problem 30CPS: Solve the following formulas for the variable shown. R = S + P for P Problem 31CPS: Solve the following formulas for the variable shown. P = 2L + 2W for L Problem 32CPS: Solve the following formulas for the variable shown. P=wFforF Problem 33CPS: Solve the following formulas for the variable shown. S=12gt4forg Problem 34CPS Problem 1DPS: D. Rewrite in scientific notation. 7500 Problem 2DPS Problem 3DPS: D. Rewrite in scientific notation. 0.041 Problem 4DPS: D. Rewrite in scientific notation. 0.000236 Problem 5DPS Problem 6DPS Problem 7DPS Problem 8DPS: D. Rewrite in scientific notation. 2,127,000 Problem 9DPS Problem 10DPS: D. Rewrite in scientific notation. 46,170 Problem 11DPS: D. Rewrite in scientific notation. 0.00000705 Problem 12DPS: D. Rewrite in scientific notation. 0.001006 Problem 13DPS Problem 14DPS: Rewrite as a decimal. 6.02103 Problem 15DPS Problem 16DPS: Rewrite as a decimal. 3.05 106 Problem 17DPS: Rewrite as a decimal. 5.146 107 Problem 18DPS: Rewrite as a decimal. 6.203 103 Problem 19DPS: Rewrite as a decimal. 9.071 104 Problem 20DPS: Rewrite as a decimal. 4.006 106 Problem 21DPS: Calculate using scientific notation, and write your answer in standard scientific notation. Round to... Problem 22DPS: Calculate using scientific notation, and write your answer in standard scientific notation. Round to... Problem 23DPS: Calculate using scientific notation, and write your answer in standard scientific notation. Round to... Problem 24DPS: Calculate using scientific notation, and write your answer in standard scientific notation. Round to... Problem 25DPS: Calculate using scientific notation, and write your answer in standard scientific notation. Round to... Problem 26DPS: Calculate using scientific notation, and write your answer in standard scientific notation. Round to... Problem 27DPS: Calculate using scientific notation, and write your answer in standard scientific notation. Round to... Problem 28DPS: Calculate using scientific notation, and write your answer in standard scientific notation. Round to... Problem 29DPS: Calculate using scientific notation, and write your answer in standard scientific notation. Round to... Problem 30DPS: Calculate using scientific notation, and write your answer in standard scientific notation. Round to... Problem 31DPS: Calculate using scientific notation, and write your answer in standard scientific notation. Round to... Problem 32DPS: Calculate using scientific notation, and write your answer in standard scientific notation. Round to... Problem 1EPS: E. Practical Applications Machine Trades The linear speed L of a grinding wheel in feet per minute... Problem 2EPS: Construction Structural engineers have found that a good estimate of the crushing load for a square... Problem 3EPS: E. Practical Applications Welding Tensile strength refers to the maximum load-carrying capability of... Problem 4EPS: E. Practical Applications Manufacturing The length of belt on a roll of conveyor belt material is... Problem 5EPS: E. Practical Applications Manufacturing For a conveyor belt, the feeder belt capacity C in metric... Problem 6EPS: E. Practical Applications Plumbing The formula N=(Dd)5 gives the approximate number N of smaller... Problem 7EPS: E. Practical Applications Sheet Metal Trades The length L of the stretch-out for a square vent pipe... Problem 8EPS: E. Practical Applications HVAC In planning a solar energy heating system for a house, a contractor... Problem 9EPS: E. Practical Applications Sheet Metal Trades The bend allowance (BA) for sheet metal is given by the... Problem 10EPS: E. Practical Applications Machine Trades To find the taper per inch of a piece of work, a machinist... Problem 11EPS: E. Practical Applications Transportation A so-called bullet train can reach a top speed of 220... Problem 12EPS: E. Practical Applications Sports and Leisure If a runner maintains an average pace of 8 mi/hr, how... Problem 13EPS: E. Practical Applications Transportation A truck driver leaves a warehouse at 6:30 A.M. and needs to... Problem 14EPS: E. Practical Applications Allied Health Use the formula in Your Turn, part (b), on page 427, to... Problem 15EPS: E. Practical Applications Automotive Trades The fuel economy F of a car with a 3.5-liter diesel... Problem 16EPS: E. Practical Applications Allied Health Body surface area (BSA) is often used to calculate dosages... Problem 17EPS: E. Practical Applications Construction In the remodel of a two-story home, a stairwell opening, S,... Problem 18EPS: E. Practical Applications Electronics The inductance L in microhenrys of a coil constructed by a ham... Problem 19EPS: E. Practical Applications Electronics Calculate the total capacitance of the series-parallel circuit... Problem 20EPS: E. Practical Applications Electronics Assuming that there is no mutual coupling, the total... Problem 21EPS: E. Practical Applications Carpentry When selecting the dimensions of floor joists and beams, it is... Problem 22EPS: E. Practical Applications Electrical Trades Electricians use a formula that states the level of... Problem 23EPS: E. Practical Applications Aviation In weight and balance calculations, airplane mechanics are... Problem 24EPS: E. Practical Applications Sports and Leisure In baseball analytics, a statistic known as FIP, or... Problem 25EPS: E. Practical Applications Electronics Solve for the variable indicated in each of these electronics... Problem 26EPS: E. Practical Applications Automotive Trades The static stability factor (SSF) is a measure of the... Problem 27EPS: E. Practical Applications Agriculture Agricultural researchers developed the following formula from... Problem 28EPS: E. Practical Applications Automotive Trades The indicated horsepower (ihp) of an engine measures the... Problem 29EPS: E. Practical Applications Electrical Trades A certain electric utility charges residents according... Problem 30EPS: E. Practical Applications Automotive Trades When balancing a crankshaft, bobweights are used in... Problem 31EPS: E. Practical Applications Construction In building energy-efficient homes, many contractors are now... Problem 32EPS: E. Practical Applications HVAC Air-source heat pumps (ASHPs) and ground-source heat pumps (GSHPs)... Problem 33EPS: E. Practical Applications Electrical Trades For customers primarily generating their own solar... Problem 34EPS Problem 35EPS Problem 36EPS Problem 37EPS Problem 38EPS Problem 39EPS Problem 40EPS: E. Practical Applications HVAC In designing a new home, a resident is considering either a... Problem 41EPS Problem 42EPS Problem 43EPS Problem 44EPS Problem 45EPS: E. Practical Applications Electrical Trades ABC electric utility charges customers with rooftop... Problem 46EPS: E. Practical Applications Electrical Engineering The calculation shown is used to find the velocity... Problem 47EPS: E. Practical Applications Electronics To convert the binary number 0.1011 to a decimal, the... Problem 48EPS: E. Practical Applications Electronics How many terabytes are in 80 petabytes? (See Your Turn on page... format_list_bulleted