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60-x 1 (60 – x)r P(x) = X 3. Step 4 Rewrite P(x) by completing the square. (x - - 30 P(x) = = -1/3 -900

60-x 1 (60 – x)r P(x) = X 3. Step 4 Rewrite P(x) by completing the square. (x - - 30 P(x) = = -1/3 -900

Mathematics For Machine Technology
Mathematics For Machine Technology
8th Edition
ISBN:9781337798310
Author:Peterson, John.
Publisher:Peterson, John.
Chapter44: Solution Of Equations By The Subtraction, Addition, And Division Principles Of Equality
Section: Chapter Questions
Problem 108A: The feed of a drill is the depth of material that the drill penetrates in one revolution. The total...
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Rewrite p(x) by completing the square. -900 is wring as shown in the picture.
The sum of the first and three times the second is 60. Step 1 Let x be the first number and y be the second number. Write an equation describing the sum in this problem. x + 3 y = 60 Step 2 Solve your equation in the previous step for y. (60-x) 60 - x y = 3 Step 3 The product P of the two numbers is xy. Use your result from the previous step to write the product as a function of x only. 60-X P(x) = x (60-x)x Step 4 Rewrite P(x) by completing the square. P(x) = -1/3 - 30 -900 Submit Skip (you cannot come back) 13
Transcribed Image Text:The sum of the first and three times the second is 60. Step 1 Let x be the first number and y be the second number. Write an equation describing the sum in this problem. x + 3 y = 60 Step 2 Solve your equation in the previous step for y. (60-x) 60 - x y = 3 Step 3 The product P of the two numbers is xy. Use your result from the previous step to write the product as a function of x only. 60-X P(x) = x (60-x)x Step 4 Rewrite P(x) by completing the square. P(x) = -1/3 - 30 -900 Submit Skip (you cannot come back) 13
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