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S_A_V [24]
3 years ago
13

Help for 20 points.Write the equation of the line that passes through (3, −2) and has a slope of 4 in point-slope form. (2 point

s)
 

y + 2 = 4(x − 3)

y − 3 = 4(x + 2)

x − 3 = 4(y + 2)

x + 2 = 4(y − 3)
Mathematics
1 answer:
Veronika [31]3 years ago
3 0
\bf \begin{array}{lllll}
&x_1&y_1\\
&({{ 3}}\quad ,&{{ -2}})
\end{array}
\\\\\\
% slope  = m
slope = {{ m}}= \cfrac{rise}{run} \implies 4
\\\\\\
% point-slope intercept
\stackrel{\textit{point-slope form}}{y-{{ y_1}}={{ m}}(x-{{ x_1}})}\implies y-(-2)=4(x-3)\implies y+2=4(x-3)
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What is the length of CO?
posledela

Answer:

Pythagorean theorem, eh?

Step-by-step explanation:

The way to do this is use the radius-tangent angle theorem thing...

It states that, a radius that intersects a point of tangency(I think that's what it's called) is perpendicular to the tangent. Thus, CW is perpendicular to OW!

Thus, it forms a right triangle, where we can use Pythagorean Theorem!

If you don't know what it is, check the internet! It's pretty simple.

CW^2+OW^2=OC^2\\144+81=OC^2\\225=OC^2\\OC=15

So, there you go! Hope this helps!

NOTE: This answer was recently deleted for violating community guidelines, so I just re-uploaded it!(and edited it) So if you do need more help, do some research!

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3 years ago
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write a symbolic rule to represent the relalationship in which the output variable y is 12 less then the input variable x. what
klemol [59]

Answer:

the value of output is 29

Step-by-step explanation:

the output variable y is 12 less then the input variable x.

Input variable is x, output variable is y

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7 0
3 years ago
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SSSSS [86.1K]

Answer:

The correct option is;

C) 6554

Step-by-step explanation:

The given data are;

Day,   Amount of change in Bacteria

1,            2

2,          -8

3,           32

4,          -128

Given that the data follows a geometric sequence, we have;

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Which gives;

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Therefore, the correct option is C) 6554.

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