Answer:-5.8
Step-by-step explanation:
Answer:
x = 3.
Step-by-step explanation:
x = 3 is not linear. By definition a linear function has 2 variables, a dependent and independent variable. This has only x and a constant. It is a linear equation but not a linear function.
Answer: 5
Step by step:
Take 72-27=45
then 45/9=5
From the second equation,we get y=x+2
substituting this value of y in first equation,it becomes
x+2=x^2+5x-3
re arranging,we get
x^2+4x-5=0
using the method of splitting the middle term,we get
x^2+5x-x-5=0
x(x+5)-1(x+5)=0
(x-1)(x+5)=0
from here we get two values for x
x=1 & x= -5
Given:
The figure of a quadrilateral ABCD.
To find:
The perimeter of the quadrilateral ABCD.
Solution:
In an isosceles triangle, the two sides and base angles are congruent.
In triangle ABD,
[Given]
is an isosceles triangle [Base angle property]
[By definition of isosceles triangles]
...(i)
In triangle BCD,
[Given]
All interior angles of the triangle BCD are congruent, so the triangle BCD is an equilateral triangle and all sides of the triangle area equal.
[Using (i)] ...(ii)
Now, the perimeter of quadrilateral ABCD is:
![Perimeter=AB+BC+CD+AD](https://tex.z-dn.net/?f=Perimeter%3DAB%2BBC%2BCD%2BAD)
![Perimeter=11+8+8+8](https://tex.z-dn.net/?f=Perimeter%3D11%2B8%2B8%2B8)
![Perimeter=35](https://tex.z-dn.net/?f=Perimeter%3D35)
Therefore, the perimeter of the quadrilateral ABCD is 35 units.