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College Algebra Answers

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The safe load, L, of a wooden beam of width w, height H, and length l, supported at both ends, varies directly as the product of the width and the square of the height, and inversely as the length...

The value of a machine, V, at the end of t years is given by V=C(1-R)t , where C is the original cost and r is the rate of depreciation. Find the value of a machine at the end of 4 years if the...

The revenue function is given by R(x) =x*p(x) dollars where x is the number of units sold and p(x) is the unit price. If p(x)=50(5)-x/5 find the revenue if 10 units are sold. Round to two decimal...

Tessa invests $7200 in a new savings account which earns 5.5% annual interest, compound quarterly. What will be the value of her investment after 7 years? Round to the nearest cent. 

The gravitational force, F, between an object and the earth is inversely proportional to the square of the distance from the object and the center of the earth. If an astronaut weighs 184 pounds on...

Tessa invests $7200 in a savings account which earns 5.5% annual interest, compound quarterlt. What will be the value of her investment after 7 years? Round to the nearest integer 

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