I used substitution method! hope this helps! feel free to clarify
Answer:
x = 1/2
Step-by-step explanation:
8(-2x+1) =0
Divide each side by 8
-2x+1 = 0
Add 2x to each side
-2x+1+2x = 2x
1 = 2x
Divide by 2
1/2 = 2x/2
1/2 =x
Answer:
A≈10.83cm²
Step-by-step explanation:
Unit Conversion:
P=15cm
Using the formulas
A=3
4a2
P=3a
Solving forA
A=3P2
36=3·152
36≈10.82532cm²
Answer:
60
Step-by-step explanation:
Since all of the sides of this triangle are shown to be congruent, this must be an equilateral triangle. In an equilateral triangle, all of the angles are equal to 60 degrees. Therefore, x is 60. Hope this helps!