Solve the following problems.2. At 1:00P.M, a thermometer reading is 70°F is taken outside where the air temperature is -10°F.At 1:02P.M, the reading is 26*F. At 1:05 P.M, the thermometer is taken back indoors where theair temperature is at 70°F. What is the thermometer reading at 1:09P.M?

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Answered: Solve the following problems. 2. At…

Algebra: Structure And Method, Book 1

(REV)00th Edition

ISBN:9780395977224

Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole

Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole

Chapter9: Systems Of Linear Equations

Section9.7: Puzzle Problems

Problem 8P

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For each of the following problems, substitute the given values in the formula and solve for the unknown. Check each answer. Round the answers to 2 decimal places. The length of cut, L, in inches, of a workpiece in a lathe is equal to the product of the cutting time, in minutes, T; the tool feed, F, in inches per revolution; and N, the number of revolutions per minute of the workpiece: L=TFN. Determine N when L=18 inches, T=2.5 minutes, and F=0.050 inch per revolution.
For each of the following problems, substitute the given values in the formula and solve for the unknown. Check each answer. Round the answers to 2 decimal places. The length of cut (L) in inches of a workpiece in a lathe is equal to the product of the cutting time (T) in minutes, the tool feed (F) in inches per revolution, and the number of revolutions per minute (N) of the workpiece: L=TFN. Determine N when L=9.50 inches, T=3.00 minutes, and F=0.050 inch per revolution.
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The solution of the following problems requires more than one formula and the rearrangement of formulas. Use C=3.1416DN12 or DN12 for customary units and C=3.1416DN1000 or DN1000 for metric units. N=12C3.1416D or 12CD for customary units and N=1000C3.1416D or 1000CD for metric units. T=LFN A carbide milling cutter is used for machining a 560.00-millimeter length of stainless steel. The cutting time is 11.95 minutes, the cutting speed is 60.000 meters per minute, and the feed is0.250 millimeter per revolution. What is the diameter of the carbide milling cutter? Round the answer to 1 decimal place.
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The solution of the following problems requires more than one formula and the rearrangement of formulas. Use C=3.1416DN12 or DN12 for customary units and C=3.1416DN1000 or DN1000 for metric units. N=12C3.1416D or 12CD for customary units and N=1000C3.1416D or 1000CD for metric units. T=LFN Aluminum baseplates are produced that are 158 inches thick. Six 14 inch-diameterholes are drilled in each plate using a feed of 0.004 inch per revolution and a cutting speed of 300 feet per minute. Setup and handling time is estimated at 0.5 minute per piece. What is the total number of hours required to produce 850 aluminum baseplates? Round the answer to 1 decimal place.

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Solve the following problems. 2. At 1:00P.M, a thermometer reading is 70°F is taken outside where the air temperature is -10°F. At 1:02P.M, the reading is 26*F. At 1:05 P.M, the thermometer is taken back indoors where the air temperature is at 70°F. What is the thermometer reading at 1:09P.M?