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Lera25 [3.4K]
3 years ago
6

PLS HELP with this from khan academy. I’m struggling, and it’s due today.

Mathematics
2 answers:
Masteriza [31]3 years ago
7 0

Answer:

8

Step-by-step explanation:

You can think as vertices as the corners of the shape

nataly862011 [7]3 years ago
7 0

Answer:

the shape have 8 vertices.

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motikmotik
Hi. This is is how it goes tep by step.



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3 years ago
A line passes through the point (8, -2) and has a slope of -3/4 .
NNADVOKAT [17]

Answer:

y = -3/4x + 4

Step-by-step explanation:

y = mx + b

-2 = (-3/4)(8) + b

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4 = b

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3 years ago
Please help me figure out the median.
atroni [7]
What you would do is start crossing the highest and lowest values off on both sides of the chart until you had one or two remaining.
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8 0
3 years ago
The general form of the equation of a circle is x2 + y2 + 42x + 38y − 47 = 0. The equation of this circle in standard form is .
Readme [11.4K]

Answer:

(-21,-19)

\sqrt{849}

Standard form

Step-by-step explanation:

We are given the equation of circle

x^2+y^2+42x+38y-47=0

General equation of circle:

x^2+y^2+2gx+2fy+c=0

Centre: (-g,-f)

Radius: \sqrt{g^2+f^2-c}

Compare the equation to find f, g and c from the equation

g\rightarrow 21

f\rightarrow 19

c\rightarrow -47

Centre: (-21,-19)

Radius (r) =\sqrt{21^2+19^2+47}=\sqrt{849}

Standard form of circle:

(x+21)^2+(y+19)^2=849

The centre of circle at the point (-21,-19) and its radius is \sqrt{849}.

The general form of the equation of a circle that has the same radius as the above circle is standard form.

4 0
3 years ago
Read 2 more answers
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