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Maths Puzzle
Numerical Ability
Construct a scatter diagram of the following data treating year as independent variable and mobile phone usage (in millions) as dependent variable.
Year, t
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book Other Question
A baseball is hit. Its heigh above the playing field is measured by a sensor. Write an equation to describe the curve of best fit for the data collected by the sensor.
Time, x (s
Raul found that by increasing his speed by 5 km/hr, he could drive 12km in 0.2 hrs. What was his original speed?
____kilometers per hour
thanx