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Simplify the rational expression. State any restrictions on the variable.

(t^(2)+t-6)/(t^(2)-9)

Simplify the rational expression. State any restrictions on the variable.\newlinet2+t6t29 \frac{t^{2}+t-6}{t^{2}-9}

Full solution

Q. Simplify the rational expression. State any restrictions on the variable.\newlinet2+t6t29 \frac{t^{2}+t-6}{t^{2}-9}
  1. Identify Total Amount: Identify the total amount of electrical tape needed and the amount of tape on each roll.\newlineThe electrician needs 8,0008,000 centimeters of electrical tape, and each roll contains 2,0002,000 centimeters of tape.
  2. Calculate Rolls Needed: Calculate the number of rolls needed by dividing the total amount of tape by the amount of tape on each roll.\newlineNumber of rolls needed =Total amount of tape neededAmount of tape in each roll= \frac{\text{Total amount of tape needed}}{\text{Amount of tape in each roll}}\newlineNumber of rolls needed =8,000cm2,000cm= \frac{8,000 \, \text{cm}}{2,000 \, \text{cm}}\newlineNumber of rolls needed =4= 4

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