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Serga [27]
3 years ago
12

When written in standard form, the leading coefficient of the equation of a parabola that opens up will be- a fraction zero a wh

ole number negative an integer positive
Mathematics
1 answer:
kirill115 [55]3 years ago
8 0

Answer:

Positive integer

Step-by-step explanation:

A parabola is the locus of a point which is equidistant from a fixed point and a fixed line. The fixed line is known as the directrix, while the fixed point is known as the focus.

The axis of a parabola passes through the focus and is perpendicular to the directrix. The axis touches the parabola at a point known as the vertex.

The standard form of a parabola that opens up is:

4ay = x²;

where the focus is at (0, a), the equation of the axis is x = 0 and the equation of the directrix is y = -a (parallel to the y axis).

Hence, the leading coefficient of the equation of a parabola that opens up will be a positive integer.

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Answer:  The equation of the circle as specified is (x+5)² + (y -1)² = 25

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subtract y-values of A & B 4-1=3 AB = 3

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Use the equation for a circle:

( x - h )² + ( y - k )² = r², where ( h, k ) is the center and r is the radius.

Use the coordinates of C, (-5, 1) as h and k in the equation

Substituting those values, we have (x -[-5])² + (y -[1])² = 5²

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A graph of the circle is attached. The radius is AC, between the center C (-5,1) and A( -1,4) on the circumference.  (Sorry, I still need to learn how to create line segments!)

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3 years ago
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alekssr [168]

Answer:

SI = 2052.61 ft

Step-by-step explanation:

cos 13 = 2000/SI

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multiply both sides by SI:

(SI)(0.9744) = 2000

divide both sides by 0.9744:

SI = 2052.61 ft

8 0
3 years ago
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