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All Textbook Solutions for Elementary Technical Mathematics

Using Illustration 1, solve each right triangle: ILLUSTRATION 1 A=50.6,c=49.0m Using Illustration 1, solve each right triangle: ILLUSTRATION 1 a=30.0cm,b=40.0cm 3E Using Illustration 1, solve each right triangle: ILLUSTRATION 1 A=39.7,b=49.6km Using Illustration 1, solve each right triangle: ILLUSTRATION 1 b=72.0mi,c=78.0mi Using Illustration 1, solve each right triangle: ILLUSTRATION 1 B=22.4,c=46.0mi Using Illustration 1, solve each right triangle: ILLUSTRATION 1 A=52.1,a=72.0mm Using Illustration 1, solve each right triangle: ILLUSTRATION 1 B=42.3,b=637m 9E Using Illustration 1, solve each right triangle: ILLUSTRATION 1 a=13.6cm,b=13.6cm 11E Using Illustration 1, solve each right triangle: ILLUSTRATION1 B=38.52,a=4315m 13E 14E Using Illustration 1, solve each right triangle: ILLUSTRATION 1 a=46.72m,b=19.26m 16E 17E 18E 19E Using Illustration 1, solve each right triangle: ILLUSTRATION 1 A=14.60,c=135.7cm 21E 22E 23E Using Illustration 1, solve each right triangle: ILLUSTRATION 1 a=14.6mi,c=31.2mi Maria is to weld a support for a 23-m conveyor so that it will operate at a 20 angle. What is the length of the support? See Illustration 1. ILLUSTRATION 1 A conveyor is used to lift paper to a shredder. The most efficient operating angle of elevation for the conveyor is 35.8. The paper is to be elevated 11.0 m. What length of conveyor is needed?A bullet is found embedded in the wall of a room 2.3m above the floor. The bullet entered the wall going up- ward at an angle of 12. How far from the wall was the bullet fired if the gun was held 1.2 m above the floor?The recommended safety angle of a ladder against a building is 78. A 10 -m ladder will be used. How high up on the side of the building will the ladder safely reach? (See Illustration 2.) ILLUSTRATION 2 A piece of conduit 38.0 ft long is placed across the corner of a room, as shown in Illustration 3. Find length x and angle A. ILLUSTRATION 3 Find the width of the river in Illustration 4. ILLUSTRATION 4 7E A smokestack is 180 ft high. A guy wire must be fastened 20.0 ft below the top of the smokestack. The guy wire makes an angle of 40.0 with the ground. Find the length of the guy wire.A railroad track has an angle of elevation of 1.0. What is the difference in height (in feet) of two points on the track 1.00 mi apart?10E Enrico has to draft a triangular roof to a house. (See Illustration 7.) The roof is 30.0 ft wide. If the rafters are 17.0 ft long, at what angle will the rafters be laid at the eaves? Assume no overhang. ILLUSTRATION 7 A small plane takes off from an airport and begins to climb at a 10.0 angle of elevation at 5000 ft/min. After 3.00 min, how far along the ground will the plane have flown?A gauge is used to check the diameter of a crank- shaft journal. It is constructed to make measurements on the basis of a right triangle with a 60.0 angle. Distance AB in Illustration 8 is 11.4 cm. Find radius BC of the journal. ILLUSTRATION 8 Round metal duct runs alongside some stairs from the floor to the ceiling. If the ceiling is 9.00 ft high and the angle of elevation between the floor and duct is 37.0, how long is the duct?The cables attached to a TV relay tower are 110 m long. They meet level ground at an angle of 60.0, as in Illustration 9. Find the height of the tower. ILLUSTRATION 9 16E 17E A right circular conical tank with its point down (Illustration 12) has a height of 4.00 m and a radius of 1.20 m. The tank is filled to a height of 3.70 m with liquid. How many litres of liquid are in the tank? (1000 litres = 1 m3.) How many litres would then need to be added to fill the tank to 100% capacity? ILLUSTRATION 12 Use the right triangle in Illustration 13: a. Find the voltage applied if the voltage across the coil is 35.6 V and the voltage across the resistance is 40.2 V. b. Find the voltage across the resistance if the voltage applied is 378 V and the voltage across the coil is 268 V. c. Find the voltage across the coil if the voltage applied is 448 V and the voltage across the resistance is 381 V. ILLUSTRATION 13 20E Twelve equally spaced holes must be drilled on a 14.500-in.-diameter bolt circle. (See Illustration 15.) What is the straight-line center-to-center distance between two adjacent holes? ILLUSTRATION 15 Dimension x in the dovetail shown in Illustration 16 is a check dimension. Precision steel balls of diameter 0.1875 in. are used in this procedure. What should this check dimension be? ILLUSTRATION 16 Find angle of the taper in Illustration 17. ILLUSTRATION 17 You need to use a metal screw with a head angle of angle A, which is not less than 65 and no larger than 70. The team leader wants you to find angle A from the sketch shown in Illustration 18 and determine if the head angle will be satisfactory. Find the head angle A. ILLUSTRATION 18 25E 26E Find length x and angle A in Illustration 21. ILLUSTRATION 21 From the base of a building, measure out a horizontal distance of 215 ft along the ground. The angle of elevation to the top of the building from this point is 63.0. Find the height of the building.A mechanical draftsperson needs to find the distance across the corners of a hex-bolt. See Illustration 22. If the distance across the flats is 2.25 cm, find a. the distance from any corner to another corner three corners away (that is, x) and b. the distance from any corner to another corner two corners away (that is, y). ILLUSTRATION 22 30E 31E 32E Solar heating and electric panels should face the sun so that you gain as much sunlight as possible. Fixed panels are mounted at the best winter angle to the horizontal ac- cording to the following formula: =0.90 (your latitude in degrees) +29. A homeowner in Ithaca, New York (latitude 42.44 N) wishes to mount a solar heating panel that is 4.0 ft wide and 8.0 ft long facing south with its 4.0-ft base mounted on a flat roof at the appropriate winter angle. a. Find the height above the roof of the top of the solar panel. b. Find the length of the base of the support if the top of the solar panel is supported by vertical posts.A lean-to is a simple shelter with three walls, a sloping roof, and an open front facing away from the prevailing winds. The back wall is short compared to the front opening. If the lean-to at a campsite has a front opening that is 6.0 ft tall, a back wall that is 2.0 ft tall, and a floor that is 8.0 ft deep, what angle does the roofline make with the ground?Find each value rounded to four significant digits: tan143 Find each value rounded to four significant digits: sin209.8 3R 4R 5R Find the period and amplitude, and graph at least two periods of each equation: y=5sin3x 7R Find the period, amplitude, and phase shift, and graph at least two periods of each equation y=4cos(x+60)9R Solve each triangle using the labels as shown in Illustration 1 (round lengths of sides to three significant digits and angles to the nearest tenth of a degree): ILLUSTRATION 1 B=52.7,b=206m,a=175m Solve each triangle using the labels as shown in Illustration 1 (round lengths of sides to three significant digits and angles to the nearest tenth of a degree): ILLUSTRATION 1 A=61.2,C=75.6,c=88.0cm Solve each triangle using the labels as shown in Illustration 1 (round lengths of sides to three significant digits and angles to the nearest tenth of a degree): ILLUSTRATION 1 B=17.5,a=345m,c=405m Solve each triangle using the labels as shown in Illustration 1 (round lengths of sides to three significant digits and angles to the nearest tenth of a degree): ILLUSTRATION 1 a=48.6cm,b=31.2cm,c=51.50cm Solve each triangle using the labels as shown in Illustration 1 (round lengths of sides to three significant digits and angles to the nearest tenth of a degree): ILLUSTRATION 1 A=29.5,b=20.5m,a=18.5m Solve each triangle using the labels as shown in Illustration 1 (round lengths of sides to three significant digits and angles to the nearest tenth of a degree): ILLUSTRATION 1 B=18.5,a=1680m,b=1520m Solve each triangle using the labels as shown in Illustration 1 (round lengths of sides to three significant digits and angles to the nearest tenth of a degree): ILLUSTRATION 1 a=575ft,b=1080ft,c=1250ft Solve each triangle using the labels as shown in Illustration 1 (round lengths of sides to three significant digits and angles to the nearest tenth of a degree): ILLUSTRATION 1 C=73.5,c=58.2ft,b=81.2ft Find a. angle B and b. length x in Illustration 2. ILLUSTRATION 2 The centers of five holes are equally spaced around a circle of diameter 16.00 in. Find the distance between the centers of two successive holes.In the roof truss in Illustration 3, AB=DE,BC=CD, and AE=36.0m. Find the length a. AF, b. BF, c. CF, and d. BC. ILLUSTRATION 3 Find each value rounded to four significant digits: cos182.9 Find each value rounded to four significant digits: tan261 Find the period, amplitude, and phase shift, and draw at least two periods of y=2sin(3x+45)Find angle B in Illustration 1 ILLUSTRATION 1 Find angle C in Illustration1. ILLUSTRATION 1 Find side c in Illustration 1. ILLUSTRATION 1 Find angle C in Illustration 2. ILLUSTRATION 2 Find angle B in Illustration 2. ILLUSTRATION 2 Find angle A in Illustration 2. ILLUSTRATION 2 Find the length of the rafter shown in Illustration 3. ILLUSTRATION 3 11T 1CR 2CR 3CR 4CR 5CR 6CR 7CR 8CR 9CR 10CR 11CR Solve: 7xy=414x2y=8 13CR 14CR 15CR 16CR 17CR 18CR 19CR Find tan67.2 rounded to four significant digits.21CR 22CR 23CR 24CR 25CR 26CR 27CR 28CR 29CR 30CR Find each value rounded to four significant digits: sin137 Find each value rounded to four significant digits: sin318 Find each value rounded to four significant digits: cos246 Find each value rounded to four significant digits: cos295 5E Find each value rounded to four significant digits: sin106.3 Find each value rounded to four significant digits: cos166.5 Find each value rounded to four significant digits: cos348.2 9E Find each value rounded to four significant digits: tan125.5 11E Find each value rounded to four significant digits: tan418.5 13E Graph each equation for value of x between 0 and 720 in multiples of 30: y=2sinx 15E Graph each equation for value of x between 0 and 720 in multiples of 30: y=4cosx 17E 18E 19E Graph each equation for values of x between 0 and 360 in multiples of 10: y=2sin3x 21E 22E 23E 24E 25E 26E 27E 28E 29E 30E 31E 32E A radar unit operates at a wavelength of 3.4 cm. Radar waves travel at the speed of light, which is 3.0108m/s. What is the frequency of the radar waves?A local AM radio station broadcasts at 1400 kHz. What is the wavelength of its radio waves? (They travel at the speed of light, which is 3.0108 m/s.)35E Find the wavelength of water waves with frequency 0.55/s and speed 1.4 m/s.Radio antennas are made so that the electromagnetic radio waves fit on the wires. Think of a radio antenna as the x axis of a sine or cosine graph, depending on the kind of antenna. The ribbon-like FM antenna that comes with the purchase of most stereo receivers is actually a half-wave folded dipole antenna so that its length is roughly one-half of the wavelength of a frequency in the middle of the FM band. Because all electromagnetic waves move at the speed of light (3.00108 m/s), how long is the typical FM ribbon antenna for a frequency of 98.0 MHz? Hint: The length of a half-wave antenna is one-half of a wavelength. (See Example 5.)Find the period and amplitude, and graph at least two periods of each equation: y=3sin3x Find the period and amplitude, and graph at least two periods of each equation: y=7cos4x Find the period and amplitude, and graph at least two periods of each equation: y=8cos6x Find the period and amplitude, and graph at least two periods of each equation: y=9sin5x 5E Find the period and amplitude, and graph at least two periods of each equation: y=15cos10x 7E 8E 9E 10E 11E 12E 13E 14E 15E Find the period amplitude, and phase shift, and graph at least two periods of each equation: y=3sin(x120)17E 18E 19E 20E 21E 22E 23E 24E Solve each triangle using the labels as shown in Illustration 1 (round lengths of sides to three significant digits and angles to the nearest tenth of a degree): ILLUSTRATION 1 A=68.0,a=24.5m,b=17.5m Solve each triangle using the labels as shown in Illustration 1 (round lengths of sides to three significant digits and angles to the nearest tenth of a degree): ILLUSTRATION 1 C=76.3,b=142cm,c=155cm Solve each triangle using the labels as shown in Illustration 1 (round lengths of sides to three significant digits and angles to the nearest tenth of a degree): ILLUSTRATION 1 A=61.5,B=75.6m,b=255ft Solve each triangle using the labels as shown in Illustration 1 (round lengths of sides to three significant digits and angles to the nearest tenth of a degree): ILLUSTRATION 1 B=41.8,C=59.3,c=24.7km 5E 6E 7E 8E 9E 10E 11E 12E 13E 14E 15E 16E Find the distance AC across the river shown in Illustration 2. ILLUSTRATION 2 Find the lengths of rafters AC and BC of the roof shown in Illustration 3 . ILLUSTRATION 3 Find the distance AB between the ships shown in Illustration 4. ILLUSTRATION 4 Find the height of the cliff shown in Illustration 5. ILLUSTRATION 5 A contractor needs to grade the slope of a subdivision lot to place a house on level ground. (See Illustration 6.) The present slope of the lot is 12.5. The contractor needs a level lot that is 105 ft deep. To control erosion, the back of the lot must be cut to a slope of 24.0. How far from the street, measured along the present slope, will the excavation extend? ILLUSTRATION 6 A weather balloon is sighted from points A and B, which are 4.00 km apart on level ground. The angle of elevation of the balloon from point A is 29.0. Its angle of elevation from point B is 48.0. a. Find the height (in m) of the balloon if it is between points A and B. b. Find its height (in m) if point B is between point A and the weather balloon.For each general triangle, a. determine the number of solutions and) b. solve the triangle, if possible, using the labels as shown in Illustration 1 (round lengths to three significant digits and angles to the nearest tenth of a degree): ILLUSTRATION 1 A=38.0,a=42.3m,b=32.5m For each general triangle, a. determine the number of solutions and) b. solve the triangle, if possible, using the labels as shown in Illustration 1 (round lengths to three significant digits and angles to the nearest tenth of a degree): ILLUSTRATION 1 C=47.6,a=85.2cm,c=96.1cm For each general triangle, a. determine the number of solutions and) b. solve the triangle, if possible, using the labels as shown in Illustration 1 (round lengths to three significant digits and angles to the nearest tenth of a degree): ILLUSTRATION 1 A=25.6,b=306m,a=275m For each general triangle, a. determine the number of solutions and) b. solve the triangle, if possible, using the labels as shown in Illustration 1 (round lengths to three significant digits and angles to the nearest tenth of a degree): ILLUSTRATION 1 B=41.2,c=1860ft,b=1540ft For each general triangle, a. determine the number of solutions and) b. solve the triangle, if possible, using the labels as shown in Illustration 1 (round lengths to three significant digits and angles to the nearest tenth of a degree): ILLUSTRATION 1 A=71.6,b=48.5m,a=15.7m For each general triangle, a. determine the number of solutions and) b. solve the triangle, if possible, using the labels as shown in Illustration 1 (round lengths to three significant digits and angles to the nearest tenth of a degree): ILLUSTRATION 1 B=40.3,b=161cm,c=288cm For each general triangle, a. determine the number of solutions and) b. solve the triangle, if possible, using the labels as shown in Illustration 1 (round lengths to three significant digits and angles to the nearest tenth of a degree): ILLUSTRATION 1 C=71.2,a=245cm,c=238cm For each general triangle, a. determine the number of solutions and) b. solve the triangle, if possible, using the labels as shown in Illustration 1 (round lengths to three significant digits and angles to the nearest tenth of a degree): ILLUSTRATION 1 A=36.1,b=14.5m,a=12.5m For each general triangle, a. determine the number of solutions and) b. solve the triangle, if possible, using the labels as shown in Illustration 1 (round lengths to three significant digits and angles to the nearest tenth of a degree): ILLUSTRATION 1 B=105.0,b=33.0mi,a=24.0mi For each general triangle, a. determine the number of solutions and) b. solve the triangle, if possible, using the labels as shown in Illustration 1 (round lengths to three significant digits and angles to the nearest tenth of a degree): ILLUSTRATION 1 A=98.3,a=1420ft,b=1170ft 11E For each general triangle, a. determine the number of solutions and) b. solve the triangle, if possible, using the labels as shown in Illustration 1 (round lengths to three significant digits and angles to the nearest tenth of a degree): ILLUSTRATION 1 B=50.0,b=4130ft,c=4560ft For each general triangle, a. determine the number of solutions and) b. solve the triangle, if possible, using the labels as shown in Illustration 1 (round lengths to three significant digits and angles to the nearest tenth of a degree): ILLUSTRATION 1 C=60.0,c=151m,b=181m For each general triangle, a. determine the number of solutions and) b. solve the triangle, if possible, using the labels as shown in Illustration 1 (round lengths to three significant digits and angles to the nearest tenth of a degree): ILLUSTRATION 1 A=30.0,a=4850mi,c=3650mi For each general triangle, a. determine the number of solutions and) b. solve the triangle, if possible, using the labels as shown in Illustration 1 (round lengths to three significant digits and angles to the nearest tenth of a degree): ILLUSTRATION 1 B=8.0,b=451m,b=855m 1 16E The owner of a triangular lot wishes to fence it along the lot lines. Lot markers at A and B have been located, but the lot marker at C cannot be found. The owners attorney gives the following information by phone: AB=355 ft, BC=295 ft, and A=36.0. What is the length of AC?The average distance from the sun to the earth is 1.5108 km, and that from the sun to Venus is 1.1108 km. Find the distance between the earth and Venus when the angle between the earth and the sun and the earth and Venus is 24.7. (Assume that the earth and Venus have circular orbits around the sun.)A manufacturer has moved into a new building and wants to hang a sign outside the building based on the drawing in Illustration 2. How long is the lower sup- port, and what angle does the upper support make with the building? ILLUSTRATION 2 Solve each triangle using the labels as shown in Illustration 1 (round lengths of sides to three significant digits and angles to the east tenth of a degree): ILLUSTRATION 1 A=55.0,b=20.2m,c=25.0m Solve each triangle using the labels as shown in Illustration 1 (round lengths of sides to three significant digits and angles to the east tenth of a degree): ILLUSTRATION 1 B=14.5,a=37.6cm,c=48.2cm 3E Solve each triangle using the labels as shown in Illustration 1 (round lengths of sides to three significant digits and angles to the east tenth of a degree): ILLUSTRATION 1 A=130.0,b=15.2km,c=9.50km 5E Solve each triangle using the labels as shown in Illustration 1 (round lengths of sides to three significant digits and angles to the east tenth of a degree): ILLUSTRATION 1 a=146,b=271cm,c=205cm 7E 8E 9E 10E 11E 12E 13E a. Find angles A and ABC in the roof in Illustration 5. ILLUSTRATION 5 AC=BC b. Find length CD 15E 16E A plane flies 70.0 mi due north from its base airport. Then it makes a 70.0 turn northeast and flies another 90.0 mi. How far will it be to go straight back to the base airport?18E 19E 20E A room is shaped like a kite. The lengths of two adjacent walls are 20.0 ft and 28.0 ft. If the angle between these walls is 130.0, how long must the two ducts be that stretch from corner to opposite corner of this room? ILLUSTRATION 6 22E 23E In the framework shown in Illustration 8, we know that AB=DE,BC=CD,AH=FE,HG=GF. Find a. length HB, b. AHB, c. length GC, and d. length AG. ILLUSTRATION 8 25E 26E 27E 28E An 8.00-ft antenna must be mounted on the roof of a ware house. Find the length of a guy wire to be attached 1.00 ft from the top of the antenna to the edge of the roof as shown in Illustration 11. ILLUSTRATION 11 30E 31E A game preserve manager is fencing the triangular plot of land in Illustration 13. Find the most acute angle. ILLUSTRATION 13 1R Find 56.1% of 360.3R 4R 5R For Exercises 68, use the following data. A technician, using a very precise tool, measured a piece of metal to be used in a satellite. He recorded the following measurements: 7.0036 mm; 7.0035 mm; 7.0038 mm; 7.0035 mm; 7.0036 mm. What was the mean measurement?For Exercises 68, use the following data. A technician, using a very precise tool, measured a piece of metal to be used in a satellite. He recorded the following measurements: 7.0036 mm; 7.0035 mm; 7.0038 mm; 7.0035 mm; 7.0036 mm. What was the median?For Exercises 68, use the following data. A technician, using a very precise tool, measured a piece of metal to be used in a satellite. He recorded the following measurements: 7.0036 mm; 7.0035 mm; 7.0038 mm; 7.0035 mm; 7.0036 mm. What was the sample standard deviation?Given the frequency distribution in Illustration 1, find a. the mean and b. the sample standard deviation. Interval Frequency f 10.5-21.5 4 21.5-32.5 17 32.5-43.5 10 43.5-54.5 28 54.5-65.5 13 65.5-76.576.5-87.5 129 ILLUSTRATION 1 For Exercises 1012, use the data below. A students test and quiz scores for a quarter were recorded as follows: 72, 83, 79, 85, 91, 93, 80, 95, 82. What is the mean of the scores recorded?11R For Exercises 1012, use the data below. A students test and quiz scores for a quarter were recorded as follows: 72, 83, 79, 85, 91, 93, 80, 95, 82. What is the sample standard deviation?13R 14R 15R A bag contains 4 white marbles, 3 red marbles, 1 green marble, and 10 black marbles. A marble is drawn and replaced in the bag each time. What is the probability of drawing a red marble and a red marble and a black marble?See Illustration 1. What country has the longest life expectancy? ILLUSTRATION 1 See Illustration 1. What country has a life expectancy of 52 years? ILLUSTRATION 1 3T 4T 5T 6T 7T See Illustration 2. What is the power gain when the power output is 250 mW? ILLUSTRATION 2 9T 10T 11T For Exercises 1214, use the data in Illustration 4. 6.0,3.1,0.6,1.8,2.1,1.5,4.1,3.7,3.3,3.5,2.5,5.2,2.5,1.1,3.2,3.7,2.7,1.7,4.4,4.6,4.0,3.9,2.9,2.0,1.9,5.9,2.4,3.5,0.9,2.4,0.6,3.4,0.5,3.0,3.0,3.9,3.3,1.1,3.2,3.3,2.5,3.0,3.7,3.5,4.2,3.5,1.6,5.6,5.2,3.0,3.5,2.0,2.6,3.4,3.3,3.0,3.0,1.4 ILLUSTRATION 4 Write a frequency distribution.For Exercises 1214, use the data in Illustration 4. 6.0,3.1,0.6,1.8,2.1,1.5,4.1,3.7,3.3,3.5,2.5,5.2,2.5,1.1,3.2,3.7,2.7,1.7,4.4,4.6,4.0,3.9,2.9,2.0,1.9,5.9,2.4,3.5,0.9,2.4,0.6,3.4,0.5,3.0,3.0,3.9,3.3,1.1,3.2,3.3,2.5,3.0,3.7,3.5,4.2,3.5,1.6,5.6,5.2,3.0,3.5,2.0,2.6,3.4,3.3,3.0,3.0,1.4 ILLUSTRATION 4 Find the mean using grouped data.For Exercises 1214, use the data in Illustration 4. 6.0,3.1,0.6,1.8,2.1,1.5,4.1,3.7,3.3,3.5,2.5,5.2,2.5,1.1,3.2,3.7,2.7,1.7,4.4,4.6,4.0,3.9,2.9,2.0,1.9,5.9,2.4,3.5,0.9,2.4,0.6,3.4,0.5,3.0,3.0,3.9,3.3,1.1,3.2,3.3,2.5,3.0,3.7,3.5,4.2,3.5,1.6,5.6,5.2,3.0,3.5,2.0,2.6,3.4,3.3,3.0,3.0,1.4 ILLUSTRATION 4 Find the sample standard deviation.15T Find the sample standard deviation for each set of measurements in Exercises 116 of Exercises 15.8. The length of hospital stays for patients at a local hospital has been tabulated, and the results are shown in the following frequency distribution. Find the mean length for a hospital stay. Length of stay (day) Frequency 0.5-1.5 50 1.5-2.5 32 2.5-3.5 18 3.5-4.5 10 4.5-5.5 8 5.5-6.5 5 6.5-7.5 26 7.5-8.5 17 8.5-9.5 22 Find the approximate annual earnings of each of the following occupations from the bar graph in Figure 15.1: Machinist Find the approximate annual earnings of each of the following occupations from the bar graph in Figure 15.1: Chefs and head cooks Find the approximate annual earnings of each of the following occupations from the bar graph in Figure 15.1: HVAC technician Find the approximate annual earnings of each of the following occupations from the bar graph in Figure 15.1: Police officer Find the approximate annual earnings of each of the following occupations from the bar graph in Figure 15.1: Registered nurse Find the approximate annual earnings of each of the following occupations from the bar graph in Figure 15.1: Welders, cutters, soldiers, and brazers Find the approximate annual earnings of each of the following occupations from the bar graph in Figure 15.1: Network and computer system administrator Find the approximate annual earnings of each of the following occupations from the bar graph in Figure 15.1: Firefighters Find the approximate annual earnings of each of the following occupations from the bar graph in Figure 15.1: Construction trade workers Find the approximate annual earnings of each of the following occupations from the bar graph in Figure 15.1: Automotive body technician Find the following information from Illustration 1: ILLUSTRATION 1 How many barrels per day were used by France?Find the following information from Illustration 1: ILLUSTRATION 1 How many barrels per day were used by Japan?Find the following information from Illustration 1: ILLUSTRATION 1 What country used the most barrels per day?Find the following information from Illustration 1: ILLUSTRATION 1 What country used the fewest barrels per day?Find the following information from Illustration 1: ILLUSTRATION 1 How many barrels per day were used by Russia?

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