Joint Variation

U varies jointly as the square of m and inversely as n. 5. V varies jointly with l, w and h. 6. The volume (V) of a cube varies directly as the cube of its edge (e). 7. The force (F) needed to push an object along a flat surface varies directly as the weight (w) of the object. 8. The altitude (h) of a cylinder is inversely proportional to the ... ................
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