Answer:
x = 31
Step-by-step explanation:
The perimeter is the sum of the equal-length sides:
63 = (x -10) +(x -10) +(x -10)
63 = 3x -30 . . . . . . . . collect terms
21 = x -10 . . . . . . . . . . divide by 3
31 = x . . . . . . . . . . . . . add 10
Answer:
D
Step-by-step explanation:
Answer:
y = -5x +7
Step-by-step explanation:
slope intercept form of the equation is
y= mx+b
where m is the slope and b is the y intercept
y = -5x +7
Is there any numbers to answer the question?