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BartSMP [9]
3 years ago
7

Find the value of x

Mathematics
1 answer:
alina1380 [7]3 years ago
7 0
It’s 141 degrees I hope this helps:)
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Write the equation of a line that includes the point (-4,0) and has a slope of -3/5 in slope intercept form
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In "slope-intercept form"
  y = mx +b
the value "m" is called the slope, and the value "b" is called the intercept.

There is another form for the equation of a line, called "point-slope form".
  y = m(x -h) +k
where m is still the slope and (h, k) correspond to the (x, y) of the point.

If you write the equation of your line in this "point-slope form", it is easily manipulated to be in the "slope-intercept form".
Fill in
  m = (-3/5)
  h = -4
  k = 0
y = (-3/5)(x -(-4)) +0

Now, you simplify this by using the distributive property.
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  y = (-3/5)x -12/5 . . . . . . . . . the desired equation

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Your understanding of math improves immensely when you become familiar with the terminology. A lot of the rest of it is pattern matching--identifying the parts of one expression that correspond to the parts of another one.

(You will see another version of the "point-slope form", but I find this one the easiest to use for manipulating the equation to other forms.)

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4 years ago
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How do you find the standard deviation
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In order to find the standard deviation you must find the mean, then subtract the mean to the square, then find the mean of the square, then take the square root of that and you have you're answer.

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A half the radius, or 1/2r
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<h2>C</h2>

Step-by-step explanation:

<u>Hope</u><u> it's</u><u> help</u><u> you</u>

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3 years ago
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