If the product of two number is 10 and the sum is 7 ,then the longest of the two number is
1 answer:
Answer:
5 units
Step-by-step explanation:
Step one:
Given data
Le the first number be x
and the second number be y
So
x*y= 10-----------------1
and
x+y= 7-----------------2
from eqn 1
x= 10/y
put x= 10/y in eqn 2
cross multiply we have
rearrange
the factors of the quadratic expression are
-5 and -2
The longest side is 5 units
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here is the answer
http://lianmath.com/which-of-the-following-is-the-equation-of-a-line-perpendicular-to-the-line-y-5x-2-passing-through-the-point-10-0/