Answer:
Option C. 
Step-by-step explanation:
we know that
The discriminant of a quadratic equation of the form
is equal to

in this problem we have
so

substitute



Answer:
x=30
Step-by-step explanation:
5=x/6
30=x
Step-by-step explanation:first of all we have to find discount amount by using the formula discount% of M.P then finding S.P using the formula M. P -S. P then finding the profit using the formula profit% of S. P and at last we have to find C. P using the formula S. P - profit.
I hope u will understand .
hawa xa explanation tei pani herea bujxa hola .
Answer:
All of the expressions
Step-by-step explanation:
A rational number is one that can be written as a ratio, or a number with a terminating decimal.
All of the expressions are whole numbers, so they are all rational.