UPSKILL MATH PLUS

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1. A ball rolls down a slope and travels a distance \(d = t^2 - 0.75t\) feet in \(t\) seconds. Find the time when the distance travelled by the ball is \(11.25\) feet.
 
Answer:
 
The time taken by the ball \(=\)  seconds.
 
2. If the difference between a number and its reciprocal is \(\frac{24}{5}\), find the number.
 
Answer:
 
The numbers are  and ii.
 
(Note: Insert negative sign whenever necessary.)