Answer:
There is every digit (0-9( except for 8
Step-by-step explanation:
This is a lot of calculation.
So we know that the sum of angles for any heptagon is 900, because heptagon can be divided into five non-overlapping triangles and sum of angles of each triangle is 180.
Now you just add up all angles and simplify the equation:
900 = (6x - 8) + 120 + (7x - 64) + (5x - 4) + 135 + (3x + 31) + (4x + 15)
900 = <span>25x + 225
Now it's just regular algebra equation. You can solve for x:
675 = 25x
x = </span>27
So the value of x is 27
Answer:
y=3x-2
Step-by-step explanation:
parallel is with the same slope
so plug in y and x into y-Y=m(x-X)
so it be y-(-4)=3(x-2)
y+4=3x-6
subtract 4 from both sides
y=3x-2
I would have to guess 7 minus 8 because