Math

GeometryElementary Geometry For College Students, 7eIn Review Exercises 21 to 30, use the drawings, where provided, to solve each problem, Angle measures should be found to the nearest degree; lengths should be found to the nearest tenth of a unit. An observer in a plane 2500 m high sights two ships below. The angle of depression to one ship is 32 ° , and the angle of depression to the other ship is 44 ° . How far apart are the ships?BuyFind*arrow_forward*

7th Edition

Alexander + 2 others

Publisher: Cengage,

ISBN: 9781337614085

Chapter 11.CR, Problem 30CR

Textbook Problem

*In Review Exercises 21 to 30, use the drawings, where provided, to solve each problem, Angle measures should be found to the nearest degree; lengths should be found to the nearest tenth of a unit.*

An observer in a plane 2500 m high sights two ships below. The angle of depression to one ship is 32

Elementary Geometry For College Students, 7e

Show all chapter solutions

Ch. 11.1 - In Exercises 1 to 6, find sin and sin for the...Ch. 11.1 - In Exercises 1 to 6, find sin and sin for the...Ch. 11.1 - In Exercises 1 to 6, find sin and sin for the...Ch. 11.1 - In Exercises 1 to 6, find sin and sin for the...Ch. 11.1 - In Exercises 1 to 6, find sin and sin for the...Ch. 11.1 - In Exercises 1 to 6, find sin and sin for the...Ch. 11.1 - In Exercises 7 to 14, use either Table 11.2 or a...Ch. 11.1 - In Exercises 7 to 14, use either Table 11.2 or a...Ch. 11.1 - In Exercises 7 to 14, use either Table 11.2 or a...Ch. 11.1 - In Exercises 7 to 14, use either Table 11.2 or a...

Ch. 11.1 - In Exercises 7 to 14, use either Table 11.2 or a...Ch. 11.1 - In Exercises 7 to 14, use either Table 11.2 or a...Ch. 11.1 - In Exercises 7 to 14, use either Table 11.2 or a...Ch. 11.1 - In Exercises 7 to 14, use either Table 11.2 or a...Ch. 11.1 - In Exercises 15 to 20, find the lengths of the...Ch. 11.1 - In Exercises 15 to 20, find the lengths of the...Ch. 11.1 - In Exercises 15 to 20, find the lengths of the...Ch. 11.1 - In Exercises 15 to 20, find the lengths of the...Ch. 11.1 - In Exercises 15 to 20, find the lengths of the...Ch. 11.1 - In Exercises 15 to 20, find the lengths of the...Ch. 11.1 - In Exercises 21 to 26, find the measures of the...Ch. 11.1 - In Exercises 21 to 26, find the measures of the...Ch. 11.1 - In Exercises 21 to 26, find the measures of the...Ch. 11.1 - In Exercises 21 to 26, find the measures of the...Ch. 11.1 - In Exercises 21 to 26, find the measures of the...Ch. 11.1 - In Exercises 21 to 26, find the measures of the...Ch. 11.1 - In Exercises 27 to 34, use the drawings, where...Ch. 11.1 - In Exercises 27 to 34, use the drawings, where...Ch. 11.1 - In Exercises 27 to 34, use the drawings, where...Ch. 11.1 - In Exercises 27 to 34, use the drawings, where...Ch. 11.1 - In Exercises 27 to 34, use the drawings, where...Ch. 11.1 - In Exercises 27 to 34, use the drawings, where...Ch. 11.1 - In Exercises 27 to 34, use the drawings, where...Ch. 11.1 - In Exercises 27 to 34, use the drawings, where...Ch. 11.1 - For Exercises 35 to 38, make drawings as needed....Ch. 11.1 - For Exercises 35 to 38, make drawings as needed....Ch. 11.1 - For Exercises 35 to 38, make drawings as needed....Ch. 11.1 - For Exercises 35 to 38, make drawings as needed....Ch. 11.1 - For Exercises 35 to 38, make drawings as needed....Ch. 11.1 - For Exercises 35 to 38, make drawings as needed....Ch. 11.2 - In Exercises 1 to 6, find cos and cos.Ch. 11.2 - In Exercises 1 to 6, find cos and cos.Ch. 11.2 - In Exercises 1 to 6, find cos and cos.Ch. 11.2 - In Exercises 1 to 6, find cos and cos.Ch. 11.2 - In Exercises 1 to 6, find cos and cos.Ch. 11.2 - In Exercises 1 to 6, find cos and cos.Ch. 11.2 - For the triangles in Exercises 1 to 6, a why does...Ch. 11.2 - Using the right triangle from Exercise 1, show...Ch. 11.2 - In Exercise 9 to 16, use a calculator to find the...Ch. 11.2 - In Exercise 9 to 16, use a calculator to find the...Ch. 11.2 - In Exercise 9 to 16, use a calculator to find the...Ch. 11.2 - In Exercise 9 to 16, use a calculator to find the...Ch. 11.2 - In Exercise 9 to 16, use a calculator to find the...Ch. 11.2 - In Exercise 9 to 16, use a calculator to find the...Ch. 11.2 - In Exercise 9 to 16, use a calculator to find the...Ch. 11.2 - In Exercise 9 to 16, use a calculator to find the...Ch. 11.2 - In Exercise 17 to 22, use either the sine ratio or...Ch. 11.2 - In Exercise 17 to 22, use either the sine ratio or...Ch. 11.2 - In Exercise 17 to 22, use either the sine ratio or...Ch. 11.2 - In Exercise 17 to 22, use either the sine ratio or...Ch. 11.2 - In Exercise 17 to 22, use either the sine ratio or...Ch. 11.2 - In Exercise 17 to 22, use either the sine ratio or...Ch. 11.2 - In Exercise 23 to 28, use either the sine ratio or...Ch. 11.2 - In Exercise 23 to 28, use either the sine ratio or...Ch. 11.2 - In Exercise 23 to 28, use either the sine ratio or...Ch. 11.2 - In Exercise 23 to 28, use either the sine ratio or...Ch. 11.2 - In Exercise 23 to 28, use either the sine ratio or...Ch. 11.2 - In Exercise 23 to 28, use either the sine ratio or...Ch. 11.2 - In Exercise 29 to 37, angle measures should be...Ch. 11.2 - In Exercise 29 to 37, angle measures should be...Ch. 11.2 - In Exercise 29 to 37, angle measures should be...Ch. 11.2 - In Exercise 29 to 37, angle measures should be...Ch. 11.2 - In Exercise 29 to 37, angle measures should be...Ch. 11.2 - In Exercise 29 to 37, angle measures should be...Ch. 11.2 - In Exercise 29 to 37, angle measures should be...Ch. 11.2 - In Exercise 29 to 37, angle measures should be...Ch. 11.2 - In Exercise 29 to 37, angle measures should be...Ch. 11.2 - In the right circular cone, a Find r correct to...Ch. 11.2 - In parallelogram ABCD, find to the nearest degree:...Ch. 11.2 - A ladder of length AB is carried horizontally...Ch. 11.2 - Use the drawing provided to show that the area of...Ch. 11.2 - For Exercise 42 and 43, use the drawing and the...Ch. 11.2 - For Exercise 42 and 43, use the drawing and the...Ch. 11.2 - In regular pentagon ABCDE, each radius has length...Ch. 11.2 - Consider regular pentagon ABCDE of Exercise 44. In...Ch. 11.3 - In Exercises 1 to 4, find tan and tan for each...Ch. 11.3 - In Exercises 1 to 4, find tan and tan for each...Ch. 11.3 - In Exercises 1 to 4, find tan and tan for each...Ch. 11.3 - In Exercises 1 to 4, find tan and tan for each...Ch. 11.3 - In Exercises 5 to 10, find the value or expression...Ch. 11.3 - In Exercises 5 to 10, find the value or expression...Ch. 11.3 - In Exercises 5 to 10, find the value or expression...Ch. 11.3 - In Exercises 5 to 10, find the value or expression...Ch. 11.3 - In Exercises 5 to 10, find the value or expression...Ch. 11.3 - In Exercises 5 to 10, find the value or expression...Ch. 11.3 - In Exercises 11 to 14, use a calculator to find...Ch. 11.3 - In Exercises 11 to 14, use a calculator to find...Ch. 11.3 - In Exercises 11 to 14, use a calculator to find...Ch. 11.3 - In Exercises 11 to 14, use a calculator to find...Ch. 11.3 - In Exercises 15 to 20, use the sine, cosine, or...Ch. 11.3 - In Exercises 15 to 20, use the sine, cosine, or...Ch. 11.3 - In Exercises 15 to 20, use the sine, cosine, or...Ch. 11.3 - In Exercises 15 to 20, use the sine, cosine, or...Ch. 11.3 - In Exercises 15 to 20, use the sine, cosine, or...Ch. 11.3 - In Exercises 15 to 20, use the sine, cosine, or...Ch. 11.3 - In Exercises 21 to 26, use the sine, cosine, or...Ch. 11.3 - In Exercises 21 to 26, use the sine, cosine, or...Ch. 11.3 - In Exercises 21 to 26, use the sine, cosine, or...Ch. 11.3 - In Exercises 21 to 26, use the sine, cosine, or...Ch. 11.3 - In Exercises 21 to 26, use the sine, cosine, or...Ch. 11.3 - In Exercises 21 to 26, use the sine, cosine, or...Ch. 11.3 - In Exercises 27 to 32, use a calculator and...Ch. 11.3 - In Exercises 27 to 32, use a calculator and...Ch. 11.3 - In Exercises 27 to 32, use a calculator and...Ch. 11.3 - In Exercises 27 to 32, use a calculator and...Ch. 11.3 - In Exercises 27 to 32, use a calculator and...Ch. 11.3 - In Exercises 27 to 32, use a calculator and...Ch. 11.3 - In Exercises 33 to 38, we expand the list of...Ch. 11.3 - In Exercises 33 to 38, we expand the list of...Ch. 11.3 - In Exercises 33 to 38, we expand the list of...Ch. 11.3 - In Exercises 33 to 38, we expand the list of...Ch. 11.3 - In Exercises 33 to 38, we expand the list of...Ch. 11.3 - In Exercises 33 to 38, we expand the list of...Ch. 11.3 - In Exercises 39 to 45, angle measures should be...Ch. 11.3 - In Exercises 39 to 45, angle measures should be...Ch. 11.3 - In Exercises 39 to 45, angle measures should be...Ch. 11.3 - In Exercises 39 to 45, angle measures should be...Ch. 11.3 - In Exercises 39 to 45, angle measures should be...Ch. 11.3 - In Exercises 39 to 45, angle measures should be...Ch. 11.3 - In Exercises 39 to 45, angle measures should be...Ch. 11.3 - In the triangle shown, find each measure to the...Ch. 11.3 - At an altitude of 12,000 ft, a pilot sees two...Ch. 11.3 - Consider the regular square pyramid shown. a Find...Ch. 11.3 - Consider the regular square pyramid shown. a Find...Ch. 11.4 - In Exercises 1 and 2, use the given information to...Ch. 11.4 - In Exercises 1 and 2, use the given information to...Ch. 11.4 - In Exercises 3 and 4, state the form of the Law of...Ch. 11.4 - In Exercises 3 and 4, state the form of the Law of...Ch. 11.4 - In Exercises 5 and 6, state the form of the Law of...Ch. 11.4 - In Exercises 5 and 6, state the form of the Law of...Ch. 11.4 - In Exercises 7 and 8, state the form of the Law of...Ch. 11.4 - In Exercises 7 and 8, state the form of the Law of...Ch. 11.4 - For ABC not shown, suppose you know that...Ch. 11.4 - For ABC not shown, suppose you know that...Ch. 11.4 - In Exercises 11 to 14, find the area of each...Ch. 11.4 - In Exercises 11 to 14, find the area of each...Ch. 11.4 - In Exercises 11 to 14, find the area of each...Ch. 11.4 - In Exercises 11 to 14, find the area of each...Ch. 11.4 - In Exercises 15 and 16, find the area of the given...Ch. 11.4 - In Exercises 15 and 16, find the area of the given...Ch. 11.4 - In Exercises 17 to 22, use a form of the Law of...Ch. 11.4 - In Exercises 17 to 22, use a form of the Law of...Ch. 11.4 - In Exercises 17 to 22, use a form of the Law of...Ch. 11.4 - In Exercises 17 to 22, use a form of the Law of...Ch. 11.4 - In Exercises 17 to 22, use a form of the Law of...Ch. 11.4 - In Exercises 17 to 22, use a form of the Law of...Ch. 11.4 - In Exercises 23 to 28, use a form of the Law of...Ch. 11.4 - In Exercises 23 to 28, use a form of the Law of...Ch. 11.4 - In Exercises 23 to 28, use a form of the Law of...Ch. 11.4 - In Exercises 23 to 28, use a form of the Law of...Ch. 11.4 - In Exercises 23 to 28, use a form of the Law of...Ch. 11.4 - In Exercises 23 to 28, use a form of the Law of...Ch. 11.4 - In Exercises 29 to 34, use the Law of Sines or the...Ch. 11.4 - In Exercises 29 to 34, use the Law of Sines or the...Ch. 11.4 - In Exercises 29 to 34, use the Law of Sines or the...Ch. 11.4 - In Exercises 29 to 34, use the Law of Sines or the...Ch. 11.4 - In Exercises 29 to 34, use the Law of Sines or the...Ch. 11.4 - In Exercises 29 to 34, use the Law of Sines or the...Ch. 11.4 - For the triangle shown, the area is exactly...Ch. 11.4 - For the triangle shown, use the Law of Cosines to...Ch. 11.4 - In the support structure for the Ferris wheel,...Ch. 11.4 - On a baseball diamond a square, the bases are 90ft...Ch. 11.4 - On the baseball diamond, the pitchers mound is...Ch. 11.4 - Show that the form of the Law of Cosines written...Ch. 11.4 - Explain why the area of the parallelogram shown is...Ch. 11.4 - Find the area of MNPQifa=8cm,b=12cm,and=70. Answer...Ch. 11.4 - Find the area of MNPQifa=6.3cm,b=8.9cm,and=67.5....Ch. 11.4 - The sides of a rhombus have length a. Two adjacent...Ch. 11.4 - Two sides of a triangle have measures a inches and...Ch. 11.4 - Use Theorem 11.4.1 to show that the area of an...Ch. 11.CR - In Review Exercises 1 to 4, state the ratio...Ch. 11.CR - In Review Exercises 1 to 4, state the ratio...Ch. 11.CR - In Review Exercises 1 to 4, state the ratio...Ch. 11.CR - In Review Exercises 1 to 4, state the ratio...Ch. 11.CR - In Review Exercises 5 to 8, state the ratio...Ch. 11.CR - In Review Exercises 5 to 8, state the ratio...Ch. 11.CR - In Review Exercises 5 to 8, state the ratio...Ch. 11.CR - In Review Exercises 5 to 8, state the ratio...Ch. 11.CR - In Review Exercises 9 to 12, use the Law of Sines...Ch. 11.CR - In Review Exercises 9 to 12, use the Law of Sines...Ch. 11.CR - In Review Exercises 9 to 12, use the Law of Sines...Ch. 11.CR - In Review Exercises 9 to 12, use the Law of Sines...Ch. 11.CR - In Review Exercises 13 to 17, use the Law of Sines...Ch. 11.CR - In Review Exercises 13 to 17, use the Law of Sines...Ch. 11.CR - In Review Exercises 13 to 17, use the Law of Sines...Ch. 11.CR - In Review Exercises 13 to 17, use the Law of Sines...Ch. 11.CR - In Review Exercises 13 to 17, use the Law of Sines...Ch. 11.CR - In Review Exercise 18 to 20, prove each statement...Ch. 11.CR - In Review Exercise 18 to 20, prove each statement...Ch. 11.CR - In Review Exercise 18 to 20, prove each statement...Ch. 11.CR - In Review exercises 21 to 30. Use the drawings....Ch. 11.CR - In Review exercises 21 to 30. Use the drawings....Ch. 11.CR - In Review exercises 21 to 30. Use the drawings....Ch. 11.CR - In Review Exercises 21 to 30, use the drawings,...Ch. 11.CR - In Review Exercises 21 to 30, use the drawings,...Ch. 11.CR - In Review Exercises 21 to 30, use the drawings,...Ch. 11.CR - In Review Exercises 21 to 30, use the drawings,...Ch. 11.CR - In Review Exercises 21 to 30, use the drawings,...Ch. 11.CR - In Review Exercises 21 to 30, use the drawings,...Ch. 11.CR - In Review Exercises 21 to 30, use the drawings,...Ch. 11.CR - If sin=725, find cos and sec.Ch. 11.CR - If tan=1160, find sec and cot.Ch. 11.CR - If cot=2120, find csc and sinCh. 11.CR - In a right circular cone, the radius of the base...Ch. 11.CT - For the right triangle shown, express each of the...Ch. 11.CT - For the right triangle shown, express each ratio...Ch. 11.CT - Without using a calculator, find the exact value...Ch. 11.CT - Use your calculator to find each number correct to...Ch. 11.CT - Using your calculator, find to the nearest degree...Ch. 11.CT - Without the calculator, determine which number is...Ch. 11.CT - In the drawing provided, find the value of a to...Ch. 11.CT - In the drawing provided, find the value of y to...Ch. 11.CT - In the drawing provided, find the measure of to...Ch. 11.CT - Using the drawing below, classify each statement...Ch. 11.CT - A kite is flying at an angle of elevation of 670...Ch. 11.CT - A roofline shows a span of 12 ft across a sloped...Ch. 11.CT - If sin =12, find: a csc bCh. 11.CT - In a right triangle with acute of measures and ,...Ch. 11.CT - Use one of the three forms for area such as the...Ch. 11.CT - On the basis of the drawing provided, complete the...Ch. 11.CT - On the basis of the drawing provided, complete...Ch. 11.CT - Use the Law of Sines or the Law of Cosines to find...Ch. 11.CT - Use the Law of Sines or the Law of Cosines to find...Ch. 11.CT - Each apothem of regular pentagon ABCDE has length...

Find more solutions based on key concepts

Show solutions Describe in words the region of 3 represented by the equation(s) or inequality. 33. x2 + y2 + z2 = 4

Multivariable Calculus

In Exercises 14, complete the given tables. Exponential Form 101=10 55=3,125 63=216 0.53=0.125 41/4=2 34=181 Lo...

Finite Mathematics and Applied Calculus (MindTap Course List)

For Problems 21 and 22, translate the English phrase into an algebraic expression using n to represent the unkn...

Intermediate Algebra

Finding Points of Intersection In Exercises 37-40, find the point(s) of intersection (if any) of the graphs of ...

Calculus: An Applied Approach (MindTap Course List)

Find each value requested for the distribution of scores in the following table. a. n b. X c. X2 X f 5 2 4 3 3 ...

Essentials of Statistics for The Behavioral Sciences (MindTap Course List)

Simplify each expression in Exercises 1730, expressing your answer in positive exponent form. x2x3y

Finite Mathematics

In Exercises 1-8, find the indicated limit by first plotting the graph of the function in a suitable viewing wi...

Applied Calculus for the Managerial, Life, and Social Sciences: A Brief Approach

Perform the indicated operations and simplify: 38+564

Elementary Technical Mathematics

For the curve given by r(t)=sin3t,cos3t,sin2t, 0t/2, find athe unit tangent vector, bthe unit normal vector, ct...

Calculus (MindTap Course List)

If 28f(x)dx=7.3 and 24f(x)dx=5.9, find 48f(x)dx.

Single Variable Calculus: Early Transcendentals, Volume I

II. Company Profits after Bonuses and Taxes
A company earns profit before paying bonuses and taxes. Suppose t...

Mathematical Applications for the Management, Life, and Social Sciences

Limits at Infinity Find the limit. 13. limxx41x2+x3

Precalculus: Mathematics for Calculus (Standalone Book)

At St. Algebra College, the 200 freshmen enrolled in introductory biology took a final exam on which their mean...

Essentials Of Statistics

In Exercises 2330, factor each expression and simplify as much as possible. (x+1)3+(x+1)5

Applied Calculus

The negative binomial rv X was defined as the number of Fs preceding the rth S. Let Y = the number of trials ne...

Probability and Statistics for Engineering and the Sciences

Criminal Justice: Convictions Innocent until proven guilty? In Japanese criminal trials, about 95 of the defend...

Understanding Basic Statistics

EXPLORING CONCEPTS Using the Second Partials Test A function f has continuous second partial derivatives on an ...

Calculus: Early Transcendental Functions

10. Find the z-score location of a vertical line that separates a normal distribution as described in each of t...

Statistics for The Behavioral Sciences (MindTap Course List)

Prove the statement using the , definition of a limit. limx2x3=8

Calculus: Early Transcendentals

A sequence has an nth-term formula of an=(1)n(n(n1)2) Use the nth-term to determine the first 5 terms and the 1...

Mathematical Excursions (MindTap Course List)

Sketch the region in the plane defined by each of the following equations or inequalities. (a) max{x, 2y}= 1 (b...

Single Variable Calculus

Calculate the value of the nonforfeiture options for the following life insurance policies.
Face Value Years in...

Contemporary Mathematics for Business & Consumers

Suppose the alphabet consists of through, in natural order, followed by a blank, a comma, a period, an apostrop...

Elements Of Modern Algebra

Test the series for convergence or divergence. 15. n=0sin(n+12)1+n

Single Variable Calculus: Early Transcendentals

Using the Second Fundamental Theorem of Calculus In Exercises 75-80, use the Second Fundamental Theorem of Calc...

Calculus of a Single Variable

For Questions 1 through 8, fill in each blank with the appropriate word or expression. Every vector V can be ex...

Trigonometry (MindTap Course List)

A hollow steel door is 32 in. wide by 80 in. tall by 138 in. thick. How many cubic inches of foam insulation ar...

Elementary Geometry for College Students

Area Find the area of the region bounded by the graphs of y = 12/(x2 + 5x + 6), y = 0, x= 0, and x = 1.

Calculus: Early Transcendental Functions (MindTap Course List)

True or False:
is a convergent series.

Study Guide for Stewart's Multivariable Calculus, 8th

An estimate of 13x4 using Simpsons Rule with n = 4 gives: a) 2425 b) 1483 c) 1523 d) 2445

Study Guide for Stewart's Single Variable Calculus: Early Transcendentals, 8th

DIGITAL VERSUS FILM CAMERAS The sales of digital cameras in millions of units in year t is given by the functio...

Finite Mathematics for the Managerial, Life, and Social Sciences

Suppose that you will take a multiple-choice exam consisting of 100 questions with five possible responses to e...

Introduction To Statistics And Data Analysis

Divide the following terms as indicated. FS2FS2

Mathematics For Machine Technology

Explain the difference between passive and active deception.

Research Methods for the Behavioral Sciences (MindTap Course List)

Determine whether or not the graph of the functions shown are polynomial functions.

College Algebra (MindTap Course List)

Go through a current newspaper or magazine and select one article that describes the results of a study. Summar...

Research Methods for the Behavioral Sciences (MindTap Course List)

Finding a Derivative In Exercises 5-20, find dy / dx by implicit differentiation. xy=x2y+1

Calculus (MindTap Course List)

Finding a Jacobian In Exercises 3-10, find the Jacobian (x,y)/(u,v) for the indicated change of variables. x=eu...

Multivariable Calculus

The Consumer Reports National Research Center conducted a telephone survey of 2000 adults to learn about the ma...

STATISTICS F/BUSINESS+ECONOMICS-TEXT

Refer to the data presented in exercise 2. The estimated regression equation for these data is = 18.37 + 2.01x...

Statistics for Business & Economics, Revised (MindTap Course List)

A population has a mean of 200 and a standard deviation of 50. Suppose a sample of size 100 is selected and x i...

Essentials Of Statistics For Business & Economics

If a single number, say a, is multiplied by itself k times in one of the steps of the iteration, replace the pr...

Discrete Mathematics With Applications

In exercise 1, the following estimated regression equation based on 10 observations was presented.
Here SST = ...

Modern Business Statistics with Microsoft Office Excel (with XLSTAT Education Edition Printed Access Card) (MindTap Course List)

Changing Units A certain quantity has a decade growth factor of 3.4.What is its yearly growth factor?

Functions and Change: A Modeling Approach to College Algebra (MindTap Course List)

In Exercises 43-48, use /Crushes algorithm to find the minimum spanning tree for the given weighted graph. Give...

Mathematics: A Practical Odyssey

When do you reject the null hypothesis?

Introductory Statistics

In Problems 2730 express the solution of the given initial-value problem in terms of an integral-defined functi...

A First Course in Differential Equations with Modeling Applications (MindTap Course List)

Using Technology In Exercises 65-74, (a) use a graphing utility to graph the equation, (b) use the graph to app...

College Algebra