1. We want to build a box whose base length is 6 times the base width and the box will enclose 20 in³. The cost of the material of the sides is P3/in? and the cost of the top and bottom is P15/in?. Determine the dimensions of the box that will minimize the cost.
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- Prove that if semicircles are constructed on each of the sides of a right triangle, then the area of the semicircle on the hypotenuse is equal to the sum of the areas of the semicircles on the two legs.A company needs to manufacture cylindrical cans out of tin, each of which must have both a bottom and a top and a volume of 382cm^3. 1. How should the company design the cans (i.e. what are the dimensions of the cans) if they want to minimize the cost of constructing them? 2. According to Google, most soup cans have a volume of 382cm3 with dimensions r = 3.25cm and h = 11.51cm. Does this agree with your answer to (a)? If not, give at least one reason why your answer to (a) may not be the best in the “real world”.A rectangular box with a volume of 540 ft 3 is to be constructed with a square base and top. The cost per square foot for the bottom is 15 cents, for the top is 10 cents, and for the sides is 2.5 cents. What dimensions will minimize the cost? What are the dimensions of the box? a. What is the length of one side of the base? b. What is the height of the box?
- You are to construct an open rectangular box with a square base and a volume of 48 ft3. If material for the bottom costs $6/ft2 and material for the sides costs $4/ft2, what dimensions will result in the least expensive box? What is the minimum cost?A pencil cup with a capacity of 34 in.3 is to be constructed in the shape of a rectangular box with a square base and an open top. If the material for the sides costs 29¢/in.2 and the material for the base costs 39¢/in.2, what should the dimensions of the cup be to minimize the construction cost (in ¢)? Let x be the length (in in.) of the side of the square base of the open box, and h be the height (in in.) of the box. x = in. (Round your answer to two decimal places, if necessary.) Complete the following parts. (a) Give a function f in the variable x for the quantity to be optimized. f(x) = cents (b) State the domain of this function. (Enter your answer using interval notation.) (c) Give the formula for h in terms of x. h =A farmer wants to start raising cows, horses, goats, and sheep and desires to have a rectangular pasture for the animals to graze in. However, no two different kinds of animals can graze together. In order to minimize the amount of fencing she will need, she has decided to enclose a large rectangular area and then divide it into four equally sized pens by adding three segments of fence inside the large rectangle that are parallel to two existing sides (see attached image). She has decided to purchase 7500 ft of fencing. What is the maximum possible area that each of the four pens will enclose? Make sure to include units in your answer.
- A box with a rectangular base is to be constructed of material costing $2/square inches for the sides and bottom and $3square inches for the top. If the box is to have volume 1,215 cubic inches and the length of its base is to be twice its width, what dimensions of the box will minimize its cost of construction? What is the minimal cost?1 5. A farmer is building a new cylindrical silo with a flat roof and an earthen floor that will hold 20 000 m 3 of corn. What dimensions should the farmer construct his silo if he wants to use the least material for construction?They'll offer a variety of chips from that factory, and they'll have to figure out how much capacity to devote to each one. Consider the possibility that they will sell two chips. Phoenix is a brand-new architecture created just for 7 nm technology, whereas RedDragon is the same architecture as their 10 nm BlueDragon. Consider a profit of $15 per defect-free chip forRedDragon. Phoenix will benefit $30 for each defect-free chip. The diameter of each wafer is 450mm. a. How much profit do you make on each wafer of Phoenix chips?
- Consider a simple, homogeneous monocentric city with a circular shape. If the location rent premium at the center is $5,000 per year per acre, the rent at the edge of the city is $10,000 per year per acre, and the density is 2 persons per acre. Supposing that the annual transportation cost per person per mile of distance from the CBD is $200 (round-trip), and if the population increases by 10% (density and transportation cost do not change), what will be the new rent at the center of the city per year per acre? Please show how to calculate.A triangle has variable sides x, y, and z subject to the constraint such that the perimeter is fixed to 18 cm. What is the maximum possible area for the triangle?Two cities A and B are 8 km and 12 km, respectively, north of a river which runs due east. City B being 15 km east of A. a pumping station is to be constructed (along the river) to supply water for the two cities. Where should the station be located so that the amount of pipe is a minimum?