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Alika [10]
3 years ago
9

Please help me with this

Mathematics
1 answer:
storchak [24]3 years ago
7 0

Answer:

C

Step-by-step explanation:

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9÷c

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what is a decimal that is equivalent to the expression (3 x 100) + (7 x 10) + (4x1) + (6 x 0.01) + (2 x 0.001)?
-BARSIC- [3]

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374.062

Step-by-step explanation:

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3 years ago
Write an equation of the parabola with focus (0, -3) and vertex at the origin. Use z for the independent variable.
olchik [2.2K]

Answer:

z^2 = -12y

or y = -(z^2/12)

Step-by-step explanation:

Answer:

z^2 = -12y

Step-by-step explanation:

Given the vertex at origin;

This is same as (0,0)

The focus (0,-3)

The general form is;

(z-h)^2 = 4p(y-k)

(h,k) is the vertex (0,0); so h = 0 and k = 0

The focus is given as;

(h,k + p)

so ;

k + p = -3

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Thus, the equation of the parabola is;

(z-0)^2 = 4(-3)(y-0)

z^2 = -12y

4 0
3 years ago
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