You can use a protractor to solve for the angles
Sorry I'm not sure if I'm right just my thinking...
set the number to be x so that (5x+2)(3x-4)??
Answer:
3.) 10
Step-by-step explanation:
8x-2(x+1) = 7x+8
8x-2x-1=7x+8
6x-1=7x+8
-1=1x+8
+1 +1
1x+9
/x
x=1+9
x=10
Answer:
The base is and the height is
Step-by-step explanation:
we know that
The area of the triangle is equal to
where
b is the base of triangle
h is the height of triangle
In this problem
----> equation A
so
-----> equation B
Substitute equation A in equation B
Solve the quadratic equation by graphing
The solution is
see the attached figure
Find the base b