ALEKS 360 for Precalculus
ALEKS 360 for Precalculus
1st Edition
ISBN: 9781259723315
Author: Julie Miller, Donna Gerken
Publisher: Mcgraw-hill Higher Education (us)
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Chapter 6.3, Problem 24PE

A fishing boat leaves a marina and follows a course of S 62 ° W at 6 knots for 20  min . Then the boat changes to a new course of S 30 ° W at 4 knots for 1 .5 hr .

a. How far is the boat from the marina?

b. What course should the boat follow for its return trip to the marina?

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Chapter 6 Solutions

ALEKS 360 for Precalculus

Ch. 6.1 - Solve the right triangle. Round the lengths of the...Ch. 6.1 - A 40-ft ladder on a fire truck leans against a...Ch. 6.1 - From an eye level of 6ft , an observer standing...Ch. 6.1 - A straight hiking trail is 2500ft long with a gain...Ch. 6.1 - Prob. 5SPCh. 6.1 - Prob. 6SPCh. 6.1 - A plane leaves an airport heading S50E at 450mph ....Ch. 6.1 - For Exercise 1-2, refer triangle to ABC . If the...Ch. 6.1 - For Exercise 1-2 refer triangle to ABC . The...Ch. 6.1 - Prob. 3PE
Ch. 6.1 - The acute angle used to express the bearing...Ch. 6.1 - For exercise 5-12 given right triangle ABC ,...Ch. 6.1 - For exercise 5-12 given right triangle ABC ,...Ch. 6.1 - For exercise 5-12 given right triangle ABC ,...Ch. 6.1 - For exercise 5-12 given right triangle ABC ,...Ch. 6.1 - For exercise 5-12 given right triangle ABC ,...Ch. 6.1 - For exercise 5-12 given right triangle ABC ,...Ch. 6.1 - Prob. 11PECh. 6.1 - Prob. 12PECh. 6.1 - For Exercises 13-18, solve the right triangle for...Ch. 6.1 - For Exercises 13-18, solve the right triangle for...Ch. 6.1 - For Exercises 13-18, solve the right triangle for...Ch. 6.1 - For Exercises 13-18, solve the right triangle for...Ch. 6.1 - For Exercises 13-18, solve the right triangle for...Ch. 6.1 - For Exercises 13-18, solve the right triangle for...Ch. 6.1 - A boat is anchored off Elliot Key, Florida. From...Ch. 6.1 - A swimming pool has a depth of 4ft at the shallow...Ch. 6.1 - An airplane climbs at an angle of 11 at an average...Ch. 6.1 - An airplane begins its descent with an average...Ch. 6.1 - A railroad bridge over New Scotland Road in...Ch. 6.1 - At 11:30AM. the angle of elevation of the sun for...Ch. 6.1 - Prob. 25PECh. 6.1 - Roberto has plans to build a tree house in a large...Ch. 6.1 - A police officer hiding between two bushes 50 ft...Ch. 6.1 - A large weather balloon is tethered by two ropes....Ch. 6.1 - The Duquesne Incline is a century-old railroad...Ch. 6.1 - The Jackson Hole Aerial Tram takes passengers from...Ch. 6.1 - To approximate the distance from the Earth to...Ch. 6.1 - To approximate the distance from the Earth to...Ch. 6.1 - A sewer line must have a minimum slope of 0.25in....Ch. 6.1 - In order for gravel roads to have proper drainage,...Ch. 6.1 - The weather satellite NOAA-15 orbits the Earth...Ch. 6.1 - A communications satellite is in geosynchronous...Ch. 6.1 - Prob. 37PECh. 6.1 - Prob. 38PECh. 6.1 - Prob. 39PECh. 6.1 - For Exercises 39-42, make a sketch to illustrate...Ch. 6.1 - For Exercises 39-42,, make a sketch to illustrate...Ch. 6.1 - For Exercises 39-42,, make a sketch to illustrate...Ch. 6.1 - For Exercises 43-46, find the bearing of the ship....Ch. 6.1 - For Exercises 43-46, find the bearing of the ship....Ch. 6.1 - For Exercises 43-46, find the bearing of the ship....Ch. 6.1 - For Exercises 43-46, find the bearing of the ship....Ch. 6.1 - For Exercises 47-50, find the bearing to the...Ch. 6.1 - For Exercises 47-50, find the bearing to the...Ch. 6.1 - For Exercises 47-50, find the bearing to the...Ch. 6.1 - For Exercises 47-50, find the bearing to the...Ch. 6.1 - For Exercises 51-54, round answers to the nearest...Ch. 6.1 - Prob. 52PECh. 6.1 - For Exercises 51-54, round answers to the nearest...Ch. 6.1 - For Exercises 51-54, round answers to the nearest...Ch. 6.1 - A ship leaves port at 8 knots heading N27W . After...Ch. 6.1 - Prob. 56PECh. 6.1 - A boat leaves a dock at a bearing of N42W and...Ch. 6.1 - Prob. 58PECh. 6.1 - For Exercises 59-60, find the lengths of the sides...Ch. 6.1 - For Exercises 59-60, find the lengths of the sides...Ch. 6.1 - Find the measures of the sides and angles. Round...Ch. 6.1 - A rectangular prism measures 6in. by 4in. by 3in ....Ch. 6.1 - Two children sit on either end of an 18-ft teeter...Ch. 6.1 - A light fixture mounted 24ft above the ground...Ch. 6.1 - For Exercises 65-66, refer to the table giving the...Ch. 6.1 - For Exercises 65-66, refer to the table giving the...Ch. 6.1 - OSHA safety regulations require that the base of a...Ch. 6.1 - An A-frame storage shed is constructed such that...Ch. 6.1 - An airplane needs to fly to an airfield located...Ch. 6.1 - Software used to program video games often uses an...Ch. 6.1 - Two ships leave port at the same time. One travels...Ch. 6.1 - Prob. 72PECh. 6.1 - Explain how to represent the bearing from point P...Ch. 6.1 - What is meant by solving a triangle?Ch. 6.1 - A contractor building eight ocean-front...Ch. 6.1 - A circle is inscribed within an isosceles triangle...Ch. 6.1 - A tool requires a V-shaped block to hold two...Ch. 6.1 - Pipe for a water line must be installed from a...Ch. 6.1 - A woman participating in a triathlon can run...Ch. 6.2 - Solve ABC with B=70 , C=48, and b=15cm . Round the...Ch. 6.2 - Solve ABC with A=33 , B=112 , and c=16 . Round the...Ch. 6.2 - Solve ABC with A=49 , a=32 , and b=28 . Round the...Ch. 6.2 - Solve ABC with B=31 , b=3 , a=6.2 . Round the...Ch. 6.2 - Solve ABC with A=40 , a=22 , and b=25 . Round the...Ch. 6.2 - A triangle has sides of 12m and 6m , and the angle...Ch. 6.2 - To measures the maximum height of the water in a...Ch. 6.2 - An 80-ft flagpole is located at the top of a hill....Ch. 6.2 - To apply the law of sines, an angle must be given...Ch. 6.2 - In which cases can the law of sines be used to...Ch. 6.2 - Suppose that ABC is a triangle with sides of...Ch. 6.2 - Suppose that the lengths of two sides a and b in a...Ch. 6.2 - Suppose that we know the measure of angle A and...Ch. 6.2 - Suppose that we know the measure of angle A and...Ch. 6.2 - For Exercises 7-12, solve the triangle. For the...Ch. 6.2 - For Exercises 7-12, solve the triangle. For the...Ch. 6.2 - For Exercises 7-12, solve the triangle. For the...Ch. 6.2 - For Exercises 7-12, solve the triangle. For the...Ch. 6.2 - For Exercises 7-12, solve the triangle. For the...Ch. 6.2 - For Exercises 7-12, solve the triangle. For the...Ch. 6.2 - For Exercises 13-20, solve ABC subject to the...Ch. 6.2 - For Exercises 13-20, solve ABC subject to the...Ch. 6.2 - For Exercises 13-20, solve ABC subject to the...Ch. 6.2 - For Exercises 13-20, solve ABC subject to the...Ch. 6.2 - For Exercises 13-20, solve ABC subject to the...Ch. 6.2 - Prob. 18PECh. 6.2 - Prob. 19PECh. 6.2 - For Exercises 13-20, solve ABC subject to the...Ch. 6.2 - For Exercises 21-28, information is given about...Ch. 6.2 - For Exercises 21-28, information is given about...Ch. 6.2 - For Exercises 21-28, information is given about...Ch. 6.2 - For Exercises 21-28, information is given about...Ch. 6.2 - For Exercises 21-28, information is given about...Ch. 6.2 - For Exercises 21-28, information is given about...Ch. 6.2 - For Exercises 21-28, information is given about...Ch. 6.2 - For Exercises 21-28, information is given about...Ch. 6.2 - For Exercises 29-34, find the area of a triangle...Ch. 6.2 - For Exercises 29-34, find the area of a triangle...Ch. 6.2 - For Exercises 29-34, find the area of a triangle...Ch. 6.2 - For Exercises 29-34, find the area of a triangle...Ch. 6.2 - For Exercises 29-34, find the area of a triangle...Ch. 6.2 - For Exercises 29-34, find the area of a triangle...Ch. 6.2 - The area in the Atlantic Ocean known as the...Ch. 6.2 - The triangular face of a gabled roof measures...Ch. 6.2 - Two fire lookout towers at points A and B are 2mi...Ch. 6.2 - A helicopter is on a path directly overhead line...Ch. 6.2 - A surveyor wants to measure the distance across a...Ch. 6.2 - Prob. 40PECh. 6.2 - From a point along a straight road, the angle of...Ch. 6.2 - An observer on the ground sites a plane at an...Ch. 6.2 - A wire is fastened to a point T on a tree and to...Ch. 6.2 - The Leaning Tower of Suurhusen is a medieval...Ch. 6.2 - Prob. 45PECh. 6.2 - A mountain cabin is built on the side of a hill...Ch. 6.2 - Two residential buildings are to be constructed...Ch. 6.2 - A hiker wants to estimate the height of a mountain...Ch. 6.2 - A surveyor fixes a 420-ft baseline between points...Ch. 6.2 - A surveyor fixes a 200-ft baseline between points...Ch. 6.2 - The connector rod from the piston to the...Ch. 6.2 - Two planets follow a circular orbit around a...Ch. 6.2 - For Exercises 53-66, solve ABC . Round the lengths...Ch. 6.2 - For Exercises 53-66, solve ABC . Round the lengths...Ch. 6.2 - For Exercises 53-66, solve ABC . Round the lengths...Ch. 6.2 - For Exercises 53-66, solve ABC . Round the lengths...Ch. 6.2 - For Exercises 53-66, solve ABC . Round the lengths...Ch. 6.2 - For Exercises 53-66, solve ABC . Round the lengths...Ch. 6.2 - For Exercises 53-66, solve ABC . Round the lengths...Ch. 6.2 - For Exercises 53-66, solve ABC . Round the lengths...Ch. 6.2 - For Exercises 53-66, solve ABC . Round the lengths...Ch. 6.2 - For Exercises 53-66, solve ABC . Round the lengths...Ch. 6.2 - For Exercises 53-66, solve ABC . Round the lengths...Ch. 6.2 - For Exercises 53-66, solve ABC . Round the lengths...Ch. 6.2 - For Exercises 53-66, solve ABC . Round the lengths...Ch. 6.2 - For Exercises 53-66, solve ABC . Round the lengths...Ch. 6.2 - After a hurricane, a homeowner examines trees on...Ch. 6.2 - A company manufactures pennants in the shape of an...Ch. 6.2 - Consider a sector of a circle of radius 6cm with...Ch. 6.2 - Refer to the figure. a. Write expressions for the...Ch. 6.2 - Refer to the figure. a. Write expressions for the...Ch. 6.2 - Given ABC with sides of lengths a,b , and c...Ch. 6.2 - Prob. 73PECh. 6.2 - Given SSA (the ambiguous case), outline the four...Ch. 6.2 - List various methods to confirm your answers after...Ch. 6.2 - A triangle ABC has sides a,b , and c across from...Ch. 6.2 - From the figure, show that sin45=23sin95 .Ch. 6.2 - Use the law of sines in the form sinAsinB=ab 1 to...Ch. 6.2 - Use the relationships ac=sinAsinC and bc=sinBsinA...Ch. 6.2 - Given ABC circumscribed by a circle, show that the...Ch. 6.3 - Solve ABC with B=61 , c=19 , and a=28 . Round the...Ch. 6.3 - Solve ABC with a=62 , b=48 , and c=41 . 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The first plane...Ch. 6.3 - Two boats leave a marina at the same time. The...Ch. 6.3 - A 40-ft boom on a crane is attached to the crane...Ch. 6.3 - Prob. 28PECh. 6.3 - A regulation fast-pitch softball diamond for high...Ch. 6.3 - The Flatiron Building in New York City is said to...Ch. 6.3 - The distance between Dallas, Texas, and Atlanta,...Ch. 6.3 - A bicyclist is at point A on a paved road and must...Ch. 6.3 - A 150-ft tower is anchored on a hill by two guy...Ch. 6.3 - A 75-ft tower is located on the side of a hill...Ch. 6.3 - In Exercises 35-38, use Heron's formula to find...Ch. 6.3 - In Exercises 35-38, use Heron's formula to find...Ch. 6.3 - In Exercises 35-38, use Heron's formula to find...Ch. 6.3 - In Exercises 35-38, use Heron's formula to find...Ch. 6.3 - A triangular sail for a Bolger Tortise sailboat...Ch. 6.3 - Find the area of the grassy region from Exercise...Ch. 6.3 - A farmer wants to fertilize a triangular field...Ch. 6.3 - An artist lays down a white triangular background...Ch. 6.3 - For Exercises 43-46, the vertices of a triangle...Ch. 6.3 - For Exercises 43-46, the vertices of a triangle...Ch. 6.3 - For Exercises 43-46, the vertices of a triangle...Ch. 6.3 - For Exercises 43-46, the vertices of a triangle...Ch. 6.3 - Three mutually tangential circles with radii...Ch. 6.3 - Prob. 48PECh. 6.3 - A parallelogram has adjacent sides of 12.2cm and...Ch. 6.3 - A regular octagon (8- sided figure with sides of...Ch. 6.3 - Why is the law of sines not an option to solve a...Ch. 6.3 - To solve a triangle given SAS , the law of cosines...Ch. 6.3 - Given the lengths of the three sides of a triangle...Ch. 6.3 - When applying the law of cosines (or law of sines)...Ch. 6.3 - Suppose that ABC is a right triangle with right...Ch. 6.3 - If the measures of the three angles in a triangle...Ch. 6.3 - A piston in an engine is attached to a connector...Ch. 6.3 - Use the law of cosines to show that...Ch. 6.3 - Use the law of cosines to show that a=bcosC+ccosBCh. 6.3 - Prob. 60PECh. 6.3 - For Exercises 1-12, solve ABC subject to the given...Ch. 6.3 - For Exercises 1-12, solve ABC subject to the given...Ch. 6.3 - For Exercises 1-12, solve ABC subject to the given...Ch. 6.3 - For Exercises 1-12, solve ABC subject to the given...Ch. 6.3 - For Exercises 1-12, solve ABC subject to the given...Ch. 6.3 - For Exercises 1-12, solve ABC subject to the given...Ch. 6.3 - For Exercises 1-12, solve ABC subject to the given...Ch. 6.3 - For Exercises 1-12, solve ABC subject to the given...Ch. 6.3 - For Exercises 1-12, solve ABC subject to the given...Ch. 6.3 - For Exercises 1-12, solve ABC subject to the given...Ch. 6.3 - For Exercises 1-12, solve ABC subject to the given...Ch. 6.3 - For Exercises 1-12, solve ABC subject to the given...Ch. 6.3 - Refer to the figure. Find the indicated values to...Ch. 6.3 - Use the right triangles APB and APC to show that...Ch. 6.3 - A hiking trail is roughly in the shape of a circle...Ch. 6.4 - Suppose the block from Example 1 is initially...Ch. 6.4 - Repeat Example 2 with a Ferris wheel 120ft in...Ch. 6.4 - Two spring-mass systems have an initial...Ch. 6.4 - The of an object in simple harmonic motion is the...Ch. 6.4 - For an object in simple harmonic motion, the...Ch. 6.4 - Given an object in damped harmonic motion, the...Ch. 6.4 - The term "ultrasound" refers to sound waves of a...Ch. 6.4 - The frequency of middle C on a piano is. 264Hz ....Ch. 6.4 - If the displacement d of an object moving under...Ch. 6.4 - For Exercises 7-14, suppose that an object moves...Ch. 6.4 - For Exercises 7-14, suppose that an object moves...Ch. 6.4 - For Exercises 7-14, suppose that an object moves...Ch. 6.4 - For Exercises 7-14, suppose that an object moves...Ch. 6.4 - For Exercises 7-14, suppose that an object moves...Ch. 6.4 - For Exercises 7-14, suppose that an object moves...Ch. 6.4 - For Exercises 7-14, suppose that an object moves...Ch. 6.4 - For Exercises 7-14, suppose that an object moves...Ch. 6.4 - For Exercises 15-22, suppose that an object is...Ch. 6.4 - For Exercises 15-22, suppose that an object is...Ch. 6.4 - Prob. 17PECh. 6.4 - For Exercises 15-22, suppose that an object is...Ch. 6.4 - For Exercises 15-22, suppose that an object is...Ch. 6.4 - For Exercises 15-22, suppose that an object is...Ch. 6.4 - For Exercises 15-22, suppose that an object is...Ch. 6.4 - For Exercises 15-22, suppose that an object is...Ch. 6.4 - A block hangs on a spring attached to the ceiling...Ch. 6.4 - The bob on a simple pendulum is pulled to the left...Ch. 6.4 - Prob. 25PECh. 6.4 - The blood pressure p for a certain individual...Ch. 6.4 - A Ferris wheel at a county Fair is 180ft in...Ch. 6.4 - The 30-ft diameter waterwheel at Deleon Springs...Ch. 6.4 - Refer to the piston and crankshaft from Exercise...Ch. 6.4 - A laboratory centrifuge is a piece of equipment...Ch. 6.4 - An alternating current generator generates current...Ch. 6.4 - An alternating current generator in the United...Ch. 6.4 - Prob. 33PECh. 6.4 - Prob. 34PECh. 6.4 - The brightness of a "young" star sometimes...Ch. 6.4 - The magnitude of a star named Delta Cuphea varies...Ch. 6.4 - For Exercises 37-38, the ordered pair t,d gives...Ch. 6.4 - For Exercises 37-38, the ordered pair t,d gives...Ch. 6.4 - Write a function y=ft for simple harmonic motion...Ch. 6.4 - Write a function y=ft for simple harmonic motion...Ch. 6.4 - Use a graphing utility to graph the functions of...Ch. 6.4 - Prob. 42PECh. 6.4 - Prob. 43PECh. 6.4 - For Exercises 43-46, use a graphing utility to...Ch. 6.4 - For Exercises 43-46, use a graphing utility to...Ch. 6.4 - For Exercises 43-46, use a graphing utility to...Ch. 6.4 - Suppose that a guitar string is plucked such that...Ch. 6.4 - A tuning fork is struck, and the tips of the...Ch. 6.4 - Explain the criteria under which you would choose...Ch. 6.4 - Explain the difference between an object moving in...Ch. 6.4 - Prob. 51PECh. 6.4 - Prob. 52PECh. 6.4 - Prob. 53PECh. 6.4 - For Exercises 53-54, use the model d=aectcost or...Ch. 6.4 - In a course in differential equations or physics,...Ch. 6.4 - In a course in differential equations or physics,...Ch. 6.4 - Given the model d2006tcos2t . for an object in...Ch. 6.4 - Given the model d=804tcost for an object in damped...Ch. 6.4 - Given a point on the Earth of latitude a, the...Ch. 6.4 - Given a point on the Earth of latitude a, the...Ch. 6 - For Exercises 1-4, solve the right triangle for...Ch. 6 - Prob. 2RECh. 6 - For Exercises 1-4, solve the right triangle for...Ch. 6 - For Exercises 1-4, solve the right triangle for...Ch. 6 - A 20-ft-tall light post casts a 25-ft shadow along...Ch. 6 - A passenger lift runs 680ft up the side of a...Ch. 6 - A 75-ft guy wire is attached to the top of a...Ch. 6 - A 125-ft kite string is anchored to the ground. If...Ch. 6 - Prob. 9RECh. 6 - Prob. 10RECh. 6 - A plane flies due west for 2hr then due south for...Ch. 6 - A boat travels 3mi east then 7mi south. To the...Ch. 6 - A ship leaves a dock on a bearing of S48.2W ....Ch. 6 - A plane flying 275mph on a bearing of N73.5W...Ch. 6 - For Exercises 15-20, solve ABC subject to the...Ch. 6 - Prob. 16RECh. 6 - For Exercises 15-20, solve ABC subject to the...Ch. 6 - Prob. 18RECh. 6 - Prob. 19RECh. 6 - Prob. 20RECh. 6 - For Exercises 21-22, find the area of a triangle...Ch. 6 - Prob. 22RECh. 6 - Points on a straight shoreline, A and B , are...Ch. 6 - Two landing points, A and B , lie on the straight...Ch. 6 - A ranger station at a point R in a wilderness area...Ch. 6 - Standing on top of a 30-ft lifeguard tower, an...Ch. 6 - PointsA,B, and P are collinear points along a...Ch. 6 - A surveyor fixes a baseline of 64 ft between two...Ch. 6 - For Exercises 29-32, solve ABC subject to the...Ch. 6 - Prob. 30RECh. 6 - For Exercises 29-32, solve ABC subject to the...Ch. 6 - Prob. 32RECh. 6 - For Exercises 33-34, find the measures of the...Ch. 6 - Prob. 34RECh. 6 - Prob. 35RECh. 6 - In Exercises 35-36, find the area of the triangle...Ch. 6 - Two straight jogging paths begin at a kiosk in a...Ch. 6 - Given points A6,2 and B1,4 on the coordinate...Ch. 6 - Prob. 39RECh. 6 - Two planes take off from an airport at the same...Ch. 6 - Two sides of a triangular plot of land measure...Ch. 6 - Prob. 42RECh. 6 - For Exercises 43-46, suppose that an object moves...Ch. 6 - Prob. 44RECh. 6 - For Exercises 43-46, suppose that an object moves...Ch. 6 - Prob. 46RECh. 6 - Prob. 47RECh. 6 - For Exercises 47-48, a block is attached to a...Ch. 6 - The angular displacement (in radians) for a...Ch. 6 - A Ferris wheel is 200ft in diameter with its...Ch. 6 - For Exercises 51-52, use a graphing utility to...Ch. 6 - For Exercises 51-52, use a graphing utility to...Ch. 6 - For Exercises 1-8, solve ABC subject to the given...Ch. 6 - For Exercises 1-8, solve ABC subject to the given...Ch. 6 - For Exercises 1-8, solve ABC subject to the given...Ch. 6 - For Exercises 1-8, solve ABC subject to the given...Ch. 6 - Prob. 5TCh. 6 - Prob. 6TCh. 6 - For Exercises 1-8, solve ABC subject to the given...Ch. 6 - Prob. 8TCh. 6 - Prob. 9TCh. 6 - Prob. 10TCh. 6 - For Exercises 9-12, find the area of ABC with the...Ch. 6 - Prob. 12TCh. 6 - A ship travels west at 25 knots. At 7:30P.M. , the...Ch. 6 - Over the course of a day, as the angle of...Ch. 6 - To determine the height of a tower, a surveyor...Ch. 6 - In addition to the light-year to quantify large...Ch. 6 - A triangular shade sail has sides of length 123...Ch. 6 - The distance between Los Angeles, California, and...Ch. 6 - The connector rod from the piston to the...Ch. 6 - Prob. 20TCh. 6 - Prob. 21TCh. 6 - The displacement of an object attached to a spring...Ch. 6 - Prob. 23TCh. 6 - A block hangs on a spring attached to the ceiling...Ch. 6 - The angular displacement (in radians) for a...Ch. 6 - Prob. 26TCh. 6 - Use a graphing utility to graph the function...Ch. 6 - Write the equation of the line in slope-intercept...Ch. 6 - Prob. 2CRECh. 6 - Prob. 3CRECh. 6 - Write a polynomial fx of degree 5 , with integer...Ch. 6 - Write equations for the asymptotes for the graph...Ch. 6 - Write equations for the asymptotes for the graph...Ch. 6 - Prob. 7CRECh. 6 - Prob. 8CRECh. 6 - Write an equation for a tangent function with a...Ch. 6 - A motorist drives on a toll road to and from work...Ch. 6 - a. 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