An airplane used for international flights has a length of 242 feet. A scale model is built such that 0.1 inches represents 1 foot. To the nearest tenth of an inch how long is the scale model?

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A: The given scale factor is 1/3 in = 2 feet 1 feet = 12×3 in 9 feet = 12×3×9           = 1.5 in

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A: 1 cm=10 mm

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Q: 300 -16"-

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Q: What would be the radius of a circle with a diameter of 8 inches

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Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.