EBK MATHEMATICS FOR MACHINE TECHNOLOGY
8th Edition
ISBN: 9781337798396
Author: SMITH
Publisher: CENGAGE LEARNING - CONSIGNMENT
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Chapter 4, Problem 16A
Six identical square holes are cut in a rectangular metal plate as shown in Figure 4-9. To find the area of a rectangle, multiply the length by the width. Determine the area of the plate after the holes have been removed. All dimensions are in inches. The area will be in square inches.
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The Kolkmeyer Manufacturing Company uses a group of six identical machines, each of which operates an average of 18 hours between breakdowns. With randomly occurring breakdowns, the Poisson probability distribution is used to describe the machine breakdown
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La
=
L =
Wa
=
W =…
Use the Euclidean algorithm to find two sets of integers (a, b, c) such
that
55a65b+143c:
Solution
= 1.
By the Euclidean algorithm, we have:
143 = 2.65 + 13 and 65 = 5.13, so 13 = 143 – 2.65.
-
Also, 55 = 4.13+3, 13 = 4.3 + 1 and 3 = 3.1,
so 1 = 13 — 4.3 = 13 — 4(55 – 4.13) = 17.13 – 4.55.
Combining these, we have:
1 = 17(143 – 2.65) - 4.55 = −4.55 - 34.65 + 17.143,
so we can take a = − −4, b = −34, c = 17. By carrying out the division
algorithm in other ways, we obtain different solutions, such as
19.55 23.65 +7.143, so a = = 9, b -23, c = 7.
=
=
how
?
come
[Note that 13.55 + 11.65 - 10.143 0, so we can obtain new solutions by
adding multiples of this equation, or similar equations.]
Chapter 4 Solutions
EBK MATHEMATICS FOR MACHINE TECHNOLOGY
Ch. 4 - Express 13,25,56,and 49as equivalent fractions...Ch. 4 - Add 13+25+56+49 .Ch. 4 - Reduce 3645to lowest terms.Ch. 4 - Determine the length A in Figure 4-3. All...Ch. 4 - Determine the length of the template in Figure...Ch. 4 - Determine the length B in Figure 4-3. All...Ch. 4 - Multiply the fractions in Exercises 7 through 9....Ch. 4 - Multiply the fractions in Exercises 7 through 9....Ch. 4 - Multiply the fractions in Exercises 7 through 9....Ch. 4 - Determine dimensions A, B, C, D, and E of the...
Ch. 4 - A special washer-faced nut is shown in Figure 4-5....Ch. 4 - The Unified Thread may have either a flat or...Ch. 4 - Prob. 13ACh. 4 - How many inches of drill rod are required in order...Ch. 4 - A hole is cut in a rectangular metal plate as...Ch. 4 - Six identical square holes are cut in a...
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