90 is what percent of 150
1 answer:
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Answer: 3/8
Step-by-step explanation: Multiply 3/4 and 1/2, or , which equals 3/8
Let's solve ~
Equation of directrix is : y = 1, so we can say that it's a parabola of form : -
- h = x - coordinate of focus = -4
- k = y - coordinate of focus = 5
- a = half the perpendicular distance between directrix and focus = 1/2(5 - 1) = 1/2(4) = 2
and since the focus is above the directrix, it's a parabola with upward opening.