Concept explainers
D. Practical Applications
Welding A piece of metal must be cut to a length of
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Mathematics for the Trades: A Guided Approach (11th Edition) (What's New in Trade Math)
- Consider the information in Exercise 2, but suppose you know that the area of the region defined by the intersection of the square and the circle measures 5. What is the area of the entire colored region? 2. The area of the square is 12, and the area of the circle is 30. Does the area of the entire shaded region equal 42? Why or why not?arrow_forwardNote: Exercises preceded by an asterisk are of a more challenging nature. In preparing a certain recipe, a chef uses 5 oz of ingredient A, 4 oz of ingredient B, and 6 oz of ingredient C. If 90 oz of this dish are needed, how many ounces of each ingredient should be used?arrow_forwardSolve the following exercises. Compute angles to the nearer minute in triangles with customary unit sides. Compute angles to the nearer hundredth degrees in triangles with metric unit sides. Compute sides to 3 decimal places. Determine side a. All dimensions are in inches.arrow_forward
- Sue and Daves semicircular driveway is to be resealed, and then flowers are to be planted on either side. Give approximate answers. aWhat is the number of square feet to be resealed? bIf Dave can reseal the driveway at a cost of 0.45 per square feet, what is the cost of resealing the driveway? cIf individual flowers are to be planted 1 foot from the edge of the driveway at intervals of approximately 1 foot on both sides of the driveway, how many flowers are needed?arrow_forwardEngine pistons and cylinder heads are made of an aluminum casting alloy that contains 4% silicon, 1.5% magnesium, and 2% nickel. Round the answers to the nearest tenth kilogram. a. How many kilograms of silicon are needed to produce 575 kilograms of alloy? b. How many kilograms of magnesium are needed to produce 575 kilograms of alloy? c. How many kilograms of nickel are needed to produce 575 kilograms of alloy?arrow_forwardSolve the following exercises. Compute the sides to 3 decimal places in triangles dimensioned in customary units. Compute the sides to 2 decimal places in triangles dimensioned in metric units. a. Determine side s. b. Determine side t.arrow_forward
- Solve the following applied right triangle exercises. Compute linear values to 3 decimal places, customary unit angles to the nearer minute, and metric angles to the nearer hundredth degree. Determine dimension d. All dimensions are in inches.arrow_forwardSolve the following exercises. Compute the sides to 3 decimal places in triangles dimensioned in customary units. Compute the sides to 2 decimal places in triangles dimensioned in metric units. a. Determine side x. b. Determine side y.arrow_forwardSolve the following exercises. Compute the sides to 3 decimal places in triangles dimensioned in customary units. Compute the sides to 2 decimal places in triangles dimensioned in metric units. a. Determine side p. b. Determine side narrow_forward
- Sometimes symbols and abbreviations are used in place of a word or phrase. What word or phrase is represented or abbreviated by each of the following? a)post.b)c)d)e)pt.arrow_forwardSolve the following applied right triangle exercises. Compute linear values to 3 decimal places, customary unit angles to the nearer minute, and metric angles to the nearer hundredth degree. Determine x. All dimensions are in inches.arrow_forwardSolve the following applied right triangle exercises. Compute linear values to 3 decimal places, customary unit angles to the nearer minute, and metric angles to the nearer hundredth degree. Determine check dimension y. All dimensions are in inches.arrow_forward
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