Answer:
9) x = 4 D)
10) x = 7 B)
Step-by-step explanation:
9)
Vertical angles are congruent.
23x - 2 = 90
23x = 92
x = 4
10)
Vertical angles are congruent.
18x - 6 = 1 + 17x
x = 7
Answer
x -1
Step-by-step explanation:
Answer:
(x - 3)² + (y + 1.5)² = 15.25
Step-by-step explanation:
Centre: midpoint of the diameter
(h,k) = (0+6)/2, (1-4)/2
= (3, -3/2)
Radius = ½(diameter)
Diameter = sqrt(6² + (-4-1)²)
sqrt(61)
Radius = sqrt(61)/2
Equation:
(x - h)² + (y - k)² = r²
(x - 3)² + (y + 1.5)² = 15.25