Answer:
The formula to calculate the Celsius temperature for a given Fahrenheit temperature is:

Step-by-step explanation:
Given formula:

where
represents temperature in Fahrenheit and
represents temperature in Celsius.
To solve the equation for
.
Solution:
We have,

Subtracting both sides by 32.


Dividing both side by 1.8


∴ 
Using the above formula, we can calculate the Celsius temperature for a given Fahrenheit temperature.
Answer:



Step-by-step explanation:
Required
Simplify

Express 20 as 4 * 5

Split

This gives:



Express as 100 * 3

This gives:



Express as 64 * 2

Split



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<em>Questions 4 and 5 are not clear</em>
<em>Follow the steps in 1 - 3 to solve 4 and 5</em>
..... 40.5 ...............
Answer:
it's 2 because it's the smallest number
Answer:
Given,
A=90
b=15
A=12bh
Now,
Step-by-step explanation:
Put the given value in the formula
A=12bh
90=12*15*h
90=180h
90/180=h
Hence, h=0.5