The line that is being constructed in the series of diagrams provided is perpendicular.
2(x-3)=7x-31
2x-6=7x-31
-7x -7x
----------------
-5x-6=-31
+6 +6
--------------
-5x=-25
Divide by -5
x=5
3x-2(x+5)=-3+18
15
3x-2(x+5)=15
3x-2x-10=15
x-10=15
+10 +10
--------------
x=25
Answer:
375
Step-by-step explanation:
trust me
:)
Hello, Marymack!
We know that in a geometric sequence defined by

and

, the sum can be calculated the following way: