18 Variation
LEARNING OUTCOMES
After completion of this chapter, the student should be able to:
Solve application problems involving ratios and proportions
Set up relationships between variables in terms of direct variation, inverse variation, or joint variation
Solve application problems involving the different types of variation
As millions watched on television, men walked on the moon for the first time in 1969. Numerous discoveries in science, engineering, and mathematics helped make it possible for a spacecraft to travel to the moon. However, it can be argued that the beginning came with the formulation of the universal law of gravitation by Newton in the 1680s, which was based on earlier discoveries regarding the motion of the planets ...
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