Variation and Problem Solving
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| show | k=1/5
y=1/5x
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| show | k=1/9
y=1/9x
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| If the y varies directly as x, find the constant of variation (k) and the direct variation equation if y=75 when x=15 | show 🗑
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| show | k=120
y=120/x
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| show | k=250
y=250/x
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| show | k=8
y=8/x
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| Find the constant of variation (k) and the variation equation: y varies jointly as x and the cube of z; y=120 when x=5 and z=2 | show 🗑
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| Suppose x varies jointly with y and the square root of z. When x=-18 and y=2, then z=9. Find y when x=10 and z=4 | show 🗑
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| show | k=6
z=8
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| Beam: 1/2 ft wide, 1/3 ft high, 10 ft long; supports 12 tons Beam: 2/3 ft wide, 1/2 ft high, 16 ft long; supports ? | show 🗑
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| show | k=13.5
y=27/16
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