The metric system is the International system of measurements and you could use the metric system measuring anything in construction
Answer:
Length • Width
20 • 25 = 500
So the area is 500ft! :)
Step-by-step explanation:
Answer:
22
Step-by-step explanation:
Plugging the numbers into the equation, we get 10^2+20^2=c^2
10^2 is 100, and 20^2 is 400
400 + 100 is 500
find the square root of that, which is exactly 22.36068 but the problem says to round to the nearest whole number, so the answer is 22.
Discriminant = b^2 - 4ac, where a, b and c come from the form of the quadratic equation as ax^2 + bx + c
Discriminant = (4)^2 - 4(1)(5)
= 16 - 20
= -4
-4 < 0, therefor there are no roots
(If the discriminant = 0, then there is one root
If the discriminant > 0, there are two roots, and if it is a perfect square (eg. 4, 9, 16, etc.) then there are two rational roots
If the discriminant < 0, there are no roots)