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The label on the car's antifreeze container claims to protect the car between −30°C and 130°C
The label on the car's antifreeze container claims to protect the car between −30°C and 130°C. To convert Celsius temperature to Fahrenheit temperature, the formula is C = 5 over 9 (F − 32). Write and solve the inequality to determine the Fahrenheit temperature range at which this antifreeze protects the car.
A. −30 > 5 over 9 (F − 32) > 130; −22 > F > 266
B. −30 < 5 over 9 (F − 32) < 130; −22 < F < 266
C.−30 < 5 over 9 (F − 32); −22 < F
D. 5 over 9 (F − 32) < 130; F < 266
Expert Solution
Answer:
we know that
Step
Find the inequality
we know that
--------> equation
and
substitute the equation in the inequality
Step
Convert to F
substitute in the formula
Step
Convert to F
substitute in the formula
therefore
the answer is the option
B. −30 < 5 over 9 (F − 32) < 130; −22 < F < 266
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