Using a directrix of y = 2 and a focus of (3, −4), what quadratic function is created?

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Answer 1

Answer: Hello,
as the directrice is y=2 and the focus (3,-4), the vertex is (3,-1)

y=a(x-3)²-1
But I can't go any further... (with a<0)

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I don't get it , can someone help me

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The problem is asking for the surface area of a cylinder.
The formula for surface area of a cylinder is A = 2πrh+2πr²
radius = 1.5
height = 4

A = 2π(1.5)(4)+2π(1.5)²
A ≈ 51.84 in²

Retype..............................................

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Answer:

(a) C, D

(b) line BD

(d) A

Find the following measure for this figure. Volume =
18 cubic units
24 cubic units
36 cubic units

Answers

The figure on the picture is parallelepiped (or right rectangular prism), whose volume is icalculated as V=lwh, where l measures the length, w measures the width and measures the altitude of parallelepiped.

In your case, l=4 units, w=2 units, h=3 units and V=4×2×3=24 cubic units.

Answer:

So the answer is 24 cubic units

Step-by-step explanation:

l=4 units,

w=2 units,

h=3 units and

V=4×2×3=24 cubic units.

A water faucet leaked 2 ⅙ liters of water every ⅓ of an hour. How many liters did it leak every hour?