Problem: 2(x - 3) 19A student solves the following problem:Step 1:Step 2:Step:3:Step 4:Step 5:Step 6:2x -6+3x 19(2x - 3x) - 6= 195x-6= 195x - 6 +6 = 19+ 65x = 25X= 25What property justifies step 47O aMultiplication Property pf EqualityCommutative Property of AdditionAddition Property of EqualitySubstitution

Name: Problem: 2(x - 3) 19A student solves the following problem:Step 1:Ste
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Description: Problem: 2(x - 3) 19A student solves the following problem:Step 1:Step 2:Step:3:Step 4:Step 5:Step 6:2x -6+3x 19(2x - 3x) - 6= 195x-6= 195x - 6 +6 = 19+ 65x = 25X= 25What property justifies step 47O aMultiplication Property pf EqualityCommutative Pr

choose the correct option used in step 4

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A student solves the following problem: Problem: 2(x - 3) + 3x = 19 Step 1: 2x-6+3x 19 Step 2: (2x - 3x) - 6 = 19 Step:3: Step 4: Step 5: Step 6: 5x-6 = 19 5x -6+6 = 19 + 6 %3D 5x = 25 X 25 What property justifies step 4? O a Multiplication Property pf Equality O b Commutative Property of Addition Addition Property of Equality O d Substitution

A student solves the following problem: Problem: 2(x - 3) + 3x = 19 Step 1: 2x-6+3x 19 Step 2: (2x - 3x) - 6 = 19 Step:3: Step 4: Step 5: Step 6: 5x-6 = 19 5x -6+6 = 19 + 6 %3D 5x = 25 X 25 What property justifies step 4? O a Multiplication Property pf Equality O b Commutative Property of Addition Addition Property of Equality O d Substitution

Mathematics For Machine Technology

8th Edition

ISBN:9781337798310

Author:Peterson, John.

Publisher:Peterson, John.

Chapter24: Percent Practical Applications

Section: Chapter Questions

Problem 38A: Two machines are used to produce the same product. One machine has a capability of producing 750...

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Two machines are used to produce the same product. One machine has a capability of producing 750 pieces per 8-hour shift. It is operating at 80% of its capability. The second machine has a capability of producing 900 pieces per 8-hour shift. It is operating at 75% of its capability. Find the total number of pieces produced per hour with both machines operating. Round the answer to the nearest whole piece.
Find the exact solution for 5e3x4=6. If there isno solution, write no solution.
Far the quadratic equation ax2+bx+c=0 the discriminant is D = ______________. The discriminant tells us how many real solutions a quadratic equation has. If D > 0, the equation has __________________ real solution(s). If D = 0, the equation has __________________ real solution(s). If D < 0, the equation has __________________ real solution(s).
(a) To solve the equation x34x2=0 , we ___________ the left-hand side. (b) The solutions of the equation x2(x4)=0 are_____________ .