The base of an decorative rectangular feature with a volume of v = 465 ft^3 is to be constructed in a restaurant. the bottom is made of marble, the sides are made of glass, and the top is open. if marble costs five times as much (per unit area) as glass, find the dimensions of the feature that minimize the cost of the materials. (assume that the length is greater than or equal to the width. give your answers correct to at least three decimal places.)

step-by-step explanation:

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the inequality is:

250c+180g≥950

step-by-step explanation:

let c denotes the number of days in a week   miyoko worked as a cryptographer.

and g denotes the number of days in a week she works as a geologist.

now we are given that she earns $250 for every day she works as a cryptographer,and earns $180 for every day she works as a geologist.

now miyoko's goal is to earn more than $950 this week.

hence, the inequality could be represented as:

250c+180g≥950

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step-by-step explanation: