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A Metal Bar Is Heated and Then Placed on a Workbench

Question 23

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A metal bar is heated and then placed on a workbench for bending.The temperature B, in degrees Fahrenheit, t minutes after heat is applied is given by A metal bar is heated and then placed on a workbench for bending.The temperature B, in degrees Fahrenheit, t minutes after heat is applied is given by . ​ The bar can be worked so long as its temperature is higher than 440 degrees.For what values of t is the bar suitable for working? Round your answer to two decimal places. ​ A) minutes B) minutes C) minutes D) minutes . ​
The bar can be worked so long as its temperature is higher than 440 degrees.For what values of t is the bar suitable for working? Round your answer to two decimal places.
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A) A metal bar is heated and then placed on a workbench for bending.The temperature B, in degrees Fahrenheit, t minutes after heat is applied is given by . ​ The bar can be worked so long as its temperature is higher than 440 degrees.For what values of t is the bar suitable for working? Round your answer to two decimal places. ​ A) minutes B) minutes C) minutes D) minutes minutes
B) A metal bar is heated and then placed on a workbench for bending.The temperature B, in degrees Fahrenheit, t minutes after heat is applied is given by . ​ The bar can be worked so long as its temperature is higher than 440 degrees.For what values of t is the bar suitable for working? Round your answer to two decimal places. ​ A) minutes B) minutes C) minutes D) minutes minutes
C) A metal bar is heated and then placed on a workbench for bending.The temperature B, in degrees Fahrenheit, t minutes after heat is applied is given by . ​ The bar can be worked so long as its temperature is higher than 440 degrees.For what values of t is the bar suitable for working? Round your answer to two decimal places. ​ A) minutes B) minutes C) minutes D) minutes minutes
D) A metal bar is heated and then placed on a workbench for bending.The temperature B, in degrees Fahrenheit, t minutes after heat is applied is given by . ​ The bar can be worked so long as its temperature is higher than 440 degrees.For what values of t is the bar suitable for working? Round your answer to two decimal places. ​ A) minutes B) minutes C) minutes D) minutes minutes

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