Question 21 (Essay Worth 8 points)

Question

[2.08] The formula for degrees Celsius is: C = 9 over 5 (F − 32), where F stands for degrees Fahrenheit.

Part 1: Solve the formula for F. Show all steps.
Part 2: Determine how many degrees Fahrenheit 2 degrees Celsius is.

Answer 1

I am reminded of a recent post entitled
9th Grade speeling

Here: multiply both sides by 5/9
5/9 C=F-32
add 32 to both sides.

A curious question: At what temperature is F and C exactly the same? I leave that to you to explore.

Answer 2

[6.02] Use the Substitution Method to solve the following system of equations.
2x + y = 3
-3x + 4y = 1

(1, 1)

(-1, -1)

(1, -1)

(-1, 1)

Answer 3

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