In woodshop class, you must cut several pieces of wood to within 3/16 inch of the teacher's specifications. let (s-x) represent the difference between the specification s and the measured length x of a cut piece.
(a)write an absolute value inequality that describes the values of x that are within the specifications.
(b) the length of one piece of wood is specified to be s=5 1/8 inches. describe the acceptable lengths for this piece.

  (a) |s - x| ≤ 3/16

  (b) 4 15/16 ≤ x ≤ 5 5/16

Step-by-step explanation:

(a) The absolute value of the difference from spec must be no greater than than the allowed tolerance:

  |s - x| ≤ 3/16

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(b) Put 5 1/8 for s in the above equation and solve.

  |5 1/8 - x| ≤ 3/16

  -3/16 ≤ 5 1/8 -x ≤ 3/16

  3/16 ≥ x -5 1/8 ≥ -3/16 . . . . multiply by -1 to get positive x

  5 5/16 ≥ x ≥ 4 15/16 . . . . . . add 5 1/8

Pieces may be between 4 15/16 and 5 5/16 inches in length.

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step-by-step explanation: