Answer:
9
Step-by-step explanation:
Since the axis of symmetry is vertical and the vertex of the parabola is at (12,-4), the vertical line x=12 is the axis of symmertry. The x-distance between the axis of symmetry and the first x intercept (15,0) is equal to 15-12=3. Hence, this x-intercept is 3 units to the right of the axis, and because it is symmetric, the other x-intercept must be 3 units to the left of the axis, so its x-coordinate must be 12-3=9. Then, the other x-intercept is at the point (9,0)
Step-by-step explanation:
D.250L
1L=1000mL
250000mL=250L
y = total cost used.
x = additional minutes
y = $49.95 + $0.15x
$61.20 = $49.95 + $0.15x. Subtract the $49.95 from each side.
$11.25 = $0.15x. Divide each side by $0.15
75 = x.
Michael used 75 additional minutes.
Answer:
11/7 = (11 x 9)/(7 x 9) = 99/63 > 77/63
3/5 = (3 x 15)/(5 x 15) = 45/75
1/8 = (1 x 10)/(8 x 10) = 10/80
2/9 = (2 x 9)/(9 x 9) = 18/81
Step-by-step explanation:
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