TEST BANK FOR Engineering Mathematics 4th Edition By John Bird
Exam (elaborations)
TEST BANK FOR Engineering Mathematics 4th Edition By John Bird (Solutions Manual)
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TEST BANK FOR Engineering Mathematics 4th Edition By John Bird
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Harvard University
Exam (elaborations) TEST BANK FOR Engineering Mathematics 4th Edition By John Bird (Solutions Manual)
Exam (elaborations) TEST BANK FOR Engineering Mathematics 4th Edition By John Bird (Solutions Manual) ENGINEERING MATHEMATICS 4TH EDITION INSTRUCTOR’S MANUAL WORKED SOLUTIONS TO THE ASSIGNMENTS...
Problem 2. A piece of steel, 1.69 m long, is cut into three pieces in the ratio 2
to 5 to 6. Determine, in centimetres, the lengths of the three pieces.
Marks
Number of parts = 2 + 5 + 6 = 13
169
. 169
Length of one part = m = cm = 13 cm 1
13 13
Hence 2 parts ≡ 2 × 13 = 26
5 parts ≡ 5 × 13 = 65
6 parts ≡ 6 × 13 = 78
i.e. 2 : 5 : 6 :: 26 cm : 65 cm : 78 cm 3
total : 4
1
576.29
Problem 3. Evaluate (a) correct to 4 significant figures
19.3
(b) correct to 1 decimal place
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