Question

express - 5 / 3 as a rational number whose denominator is (I) -12 (ii) 20 ( iii ) -16 (iv) 28​

Answer 1

Answer:

$Let us consider 5−3​ = 20x​ By using cross multiplication 5x=−60x= 5−60​ =−12∴ By replacing the value of x we get, 5−3​ = 20−12​ .$

Step-by-step explanation:

Answer 2

Answer:

Step-by-step explanation:

y=mx+b

where in this case

C=

5

9

(F−32)

or

C=

5

9

F−

5

9

(32)

You can see the slope of the graph is  

5

9

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

5

9

of 1 degree Celsius.

C=

5

9

(F)

C=

5

9

(1)=

5

9

Therefore, statement I is true. This is the equivalent to sayin