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Elan Coil [88]
2 years ago
12

A square is drawn on the coordinate plane. The endpoints of one of its sides are located at (-2,4) and (-2,-11). What is a perim

eter?​
Mathematics
1 answer:
lisabon 2012 [21]2 years ago
7 0

Answer:

60

Step-by-step explanation:

see attachment for explanation

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B. 60°

Step-by-step explanation:

180o - (40 + 80)o = 60o

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Step-by-step explanation:

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Help please<br>solve for X​
Mila [183]

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Step-by-step explanation:

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A parabola is given by the equation y = x2 + 4x + 4.
notsponge [240]

Answer:

the vertex of the parabola is:(-2,0)

the focus of the parabola is:(-2,\frac{1}{4})

the directrix of the parabola is:y=\frac{-1}{4}

Step-by-step explanation:

we know that for any general equation of the parabola of the type y=ax^{2} +b x+c the vertex of the parabola is given by (h,k)

where h=\frac{-b}{2 a} and k=\frac{4 a c-b^{2} }{4a}

therefore by the given data we have h=-2 and k=0

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the general equation of the parabola of the type 4 a (y-h)=(x-k)^2 ; the parabola symmetric around the y-axis has the focus from the centre i.e. the vertex (h,k) at a distance a as (h,k+a) and the directrix is given by y=k-a

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3 0
3 years ago
use the formula R = log I, where are is the measurement of the Richter scale and I is the intensity, to find the Richter scale m
zysi [14]

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R ≈ 7.4

Step-by-step explanation:

Substitute I = 25000000 into the equation

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