3 years ago

What is the equation of a parabola whose vertex is at the origin and whose directrix is y = 3?

Mathematics

1 answer:

frutty [35]3 years ago

5 0

Y^2=4*3*X=12X Hope this helps!

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%66.666
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3 years ago

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Step-by-step explanation:

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A total of $32,000 is to invested, some in bonds and some in certificates of deposit (CDs). If the amount invested in bonds is t

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2 years ago

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when nancy started middle school, she was 60 inches tall. when she started high school, she was 66 inches tall. what was the per

Ivahew [28]

Answer:

The percent change in Nancy height is 10%

Step-by-step explanation:

Given : when Nancy started middle school, she was 60 inches tall. when she started high school, she was 66 inches tall.

We have to find the percent change in her height.

Percentage change is given by the ratio of the difference in old value and new value to the old value times 100

Mathematically written as

$Percentage\ change =\frac{new\ value-old\ value}{Old\ value}\times 100$

For the given data,

Old value = 60 inches

New value = 66 inches

Thus, the Percentage change is given as,

$Percentage\ change =\frac{66-60}{60}\times 100$

Simlify, we have,

$Percentage\ change =\frac{6}{60}\times 100$

Thus, The percent change in her height is 10%

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3 years ago

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