I will delete your answer if wrong. The equation above shows how temperature F, measured in degrees Fahrenheit, relates to a temperature C, measured in degrees Celsius. Based on the equation, which of the following must be true?

A temperature increase of 1 degree Fahrenheit is equivalent to a temperature increase of
5
9
degree Celsius.
A temperature increase of 1 degree Celsius is equivalent to a temperature increase of 1.8 degrees Fahrenheit.
A temperature increase of 59
A degree Fahrenheit is equivalent to a temperature increase of 1 degree Celsius.
A) I only
B) II only
C) III only
D) I and II only

D

Step-by-step explanation:

If you think of the equation as an equation for a line.

=+

y

=

m

x

+

b

where

=5/9(−32)

C

=

5

/

9

(

F

−

32

)

or

=5/9−5/9(32)

C

=

5

/

9

F

−

5

/

9

(

32

)

you can see the slope of the graph is 5/9

5

/

9

, which means that for an increase of 1 degree Fahrenheit, the increase is 5/9

5

/

9

of 1 degree Celsius. Therefore, statement I is true.

This is the equivalent to saying that an increase of 1 degree Celsius is equal to an increase of 9/5

9

/

5

degrees Fahrenheit. Since 95

9

5

= 1.8, statement II is true.

On the other hand, statement III is not true, since a temperature increase of 9/5

9

/

5

degrees Fahrenheit, not 5/9

5

/

9

degree Fahrenheit, is equal to a temperature increase of 1 degree Celsius.

The final answer is D.

D

Step-by-step explanation:

equation is C= 5/9(F-32)

x=30

step-by-step explanation:

not only in mathematics, scientific proof also are required in the other field of science. also maths proofs are of particular structure, containing steps and logics. so proving is like doing science, it is science. that's why it is important to prove. 

an inaccurate proof leads to errors, or stating results that are not accurate.  which wil mess the probelm up you dont want this