40. Minimizing cost. A rectangular garden measuring 1200 yd? is to be enclosed on two parallel sides by stone wall that costs $35 per yd and the other two sides by wooden fencing that costs $28 per yd. What dimen- sions will minimize the total cost of enclosing this garden, and what is the minimum cost (rounded to the nearest dollar)?

Q: 15. You want to put a fence around a rectangular field and then subdivide the field into 4 smaller…

A: Let's find.

Q: 2. A rectangular room measures 13 feet by 15 feet. It is going to be carpeted with carpeting that…

A: All parts are answered.  Area of rectangle = Width* Length

Q: 2. The first thing on Patrick's to-do list is to build a shed in the backyard. Using the following…

A:

Q: 4. The scale model of a rectangular table has the dimensions of 4 inches by 8 inches. If the length…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: 17. A conveyor belt dumps 2500 yd³ of gravel to form a cone-shaped pile. How high could this pile of…

A:

Q: In the diagram below, the cube's side length and the sphere's diameter is equal. If the sphere's…

A: Given: Sphere radius is one and four tenths feet  And also the cube's side length and sphere's…

Q: 4. A farmer wants to enclose three areas of equal dimensions along the side of a barn (see picture).…

A:

Q: 18. The volume of a triangular prism is Z76.88 cubic inches. The distance between the two triangular…

A: Let's find.

Q: 4. Suppose a mlddle school class is bulding a simplifed model of a hydrogen atom. They ball with a…

A: Given that:                   Diameter of styrofoam ball = 2cmActual diamter of nucleus =…

Q: 12. The volume of a cylindrical container with a height equal to its radius is given by the equation…

A:

Q: A farmer wants to fence an area of 24 million square feet in a rectangular field and then divide it…

A: This question is based on application of derivative.

Q: A rectangular picnic area of 8000 m² is being constructed along the edge of a river. It will be…

A:

Q: 36. The area of a picture projected on a wall varies directly as the square of the distance from the…

A: a) Let the proportionality constant be k , area be A and distance be d . The equation can be written…

Q: A berry box, sold to contain a quart of berries is in the form of a frustum of a right pyramid 15…

A: Area of the top of the frustum is 15 in2 Area of the bottom of the frustum is 12.5 in2 The height of…

Q: 10- There is a rectangular playing field in Alaska Denali Park for a grizzly Bear with an area of…

A:

Q: 4. What is the slope of a roof on a house that has a vertical height of 2.4 feet from the ceiling of…

A: topic - slope

Q: A wheat producer owns a pivot irrigation system (Ratio-wetted= 1600 ft) and he wants to irrigate…

A: Here the irrigation system is pivot irrigation system . Given it's Ratio-wetted=1600ft . (1) So…

Q: 3. What did the field in Figure 5-3 cost if it sold for $6,225 per acre? 4,225 ft 1,800 ft 5,000 ft

A: Area=sum of bases2* height

Q: 1. A trough is 1m long and its cross section is a triangle which is 3m high and 2m wide across the…

A: The shape of the trough is like a prism, which has a cross-section and height. The area of the prism…

Q: 5. Josh is planning to paint the walls and ceilings in several rooms of his home. The walls have a…

A:

Q: 15. A farmer wants to create a horse corral on his 5 acres of land. If he has 300 yards of fencing…

A: We will solve this by finding areas and using proportionality