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▾ Part A If BM A to BM B = +36.48±0.12 ft, BM B to BM C = -71.92 +0.16 ft, and BM C to BM D = -82.43±0.08 ft, what is the difference in elevation from benchmark A to D? Express your answer in feet to five significant figures. elev AD = Submit ▾ Part B σ = ± 195| ΑΣΦ | 11 | vec What is the standard deviation of the elevation difference found in Part A? Express your answer in feet to two significant figures. Submit Request Answer 10 | ΑΣΦ | it vec Request Answer B ? ? ft ft

▾ Part A If BM A to BM B = +36.48±0.12 ft, BM B to BM C = -71.92 +0.16 ft, and BM C to BM D = -82.43±0.08 ft, what is the difference in elevation from benchmark A to D? Express your answer in feet to five significant figures. elev AD = Submit ▾ Part B σ = ± 195| ΑΣΦ | 11 | vec What is the standard deviation of the elevation difference found in Part A? Express your answer in feet to two significant figures. Submit Request Answer 10 | ΑΣΦ | it vec Request Answer B ? ? ft ft

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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A line of levels was run from benchmarks A to B, B to C, and C to D. The elevation differences obtained between benchmarks, with their standard deviations, are listed below. ▼ Part A If BM A to BM B=+36.48±0.12 ft, BM B to BM C = -71.92 +0.16 ft, and BM C to BM D = -82.43±0.08 ft, what is the difference in elevation from benchmark A to D? Express your answer in feet to five significant figures. elev AD = Submit Part B σ=+ ΙΫΠ ΑΣΦ Submit Request Answer What is the standard deviation of the elevation difference found in Part A? Express your answer in feet to two significant figures. IVE ΑΣΦ ||| 41 Request Answer vec vec 3 O ? ? ft ft
Transcribed Image Text:A line of levels was run from benchmarks A to B, B to C, and C to D. The elevation differences obtained between benchmarks, with their standard deviations, are listed below. ▼ Part A If BM A to BM B=+36.48±0.12 ft, BM B to BM C = -71.92 +0.16 ft, and BM C to BM D = -82.43±0.08 ft, what is the difference in elevation from benchmark A to D? Express your answer in feet to five significant figures. elev AD = Submit Part B σ=+ ΙΫΠ ΑΣΦ Submit Request Answer What is the standard deviation of the elevation difference found in Part A? Express your answer in feet to two significant figures. IVE ΑΣΦ ||| 41 Request Answer vec vec 3 O ? ? ft ft
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