Pre calculus

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Choma decides to build a horse corral using the barn for one side. He has 30 m of fencing materials and wants the corral to have an area of 100 meters squared. What are the dimensions of the corral? ...
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A farmer with 700 ft of fencing wants to enclose a rectangular area and then divide it into four pens with fencing parallel to one side of the rectangle. What is the largest possible total area of the four pens. ...
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A 100 N force and a 50 N force act on the same object. The angle between the forces measures 90 degrees. What is the magnitude and direction of the resultant force? ...
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How do you use demoive's theorem on (8-8i)^(3/4)? show all work? don't know were to start ...
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Unsure how to solve this problem: The Sweet Dip Beverage Co. sells cans of soda pop in machines. It finds that sales average 26000 cans per month when the can sell for .50 each. For each .05 increase in the price, the sales per month drop by 1000 cans. a-Write an expression for the new cost, where x...
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What are the types of tangent circle ...
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The Mayan used several different calendar systems; one system used 365 days, another system used 260 days. Suppose the first day of both calendars occurred on the same day. After how many days would they again occur on the same day? About how long is this in years? Assume 1 year has 365 days. ...
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Given the function Y= 2x^2 - 12x + 13.Using the method of completing the square, put the function in standard form for a parabola. Using algebraic methods, find its vertex,axis of symmetry,y intercept, x intercept if they exist, and its maximum or minimum value   ...
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Solve each equation on the interval (0,2pi) cos^2 x=cosx 2cosx+ (radical)3 4sin^2x=1 2sin^2 x+sinx=1 cos^2 x+2cosx=3 Do as much as you can. Please just help me. ...
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I have attached 10 problems as a word document. Number 1 has already been answered. I would like help with 2 through 10. Thanks! Solving Trigonometric Equations   Solve each equation for principal values of x.  Express solutions in degrees. cos x = 3 cos x – 2 &nb...

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