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Evgesh-ka [11]
3 years ago
7

Identify an equation in point-slope form for the line perpendicular to y=-2x+8 that passes through (-3, 9)

Mathematics
1 answer:
Nutka1998 [239]3 years ago
7 0
If the line is perpendicular, then as a rule the gradient of the perpendicular line will be the negative inverse of the gradient of the line given.
Therefore the gradient of the perpendicular line would be 1/2 
so now just substitute in the equation of a line (y=mx+c) where y and x are given by -3 and 9, and your new m=1/2 
Hope this helps 
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Step-by-step explanation:

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The difference of a number and fifteen is two. Write and Algebra Sentence then solve the number.
damaskus [11]

Answer:

<h2><u><em>x - 15 = 2</em></u></h2>

Step-by-step explanation:

The difference of a number and fifteen is two. Write and Algebra Sentence then solve the number.

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-------------------------

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17 - 15 = 2

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Evaluate the function at the specified value of the independent variable and simplify.
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Use the law of cosines to solve for the measure of the largest angle in triangle abc.
MariettaO [177]

The law used for determining the measure of unknown sides and angles of a triangle. The measure of the largest angle in triangle abc is 98.25 degrees

<h3>Law of cosines</h3>

The law used for determining the measure of unknown sides and angles of a triangle. It is expressed as:

c² = a² + b² - 2abcosC

Given the following

c = 16

a = 12

b = 9

Substitute

16² = 12² + 9² - 2(9)(12)cosC

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cosC = -31/216

C = 98.25 degrees

Hence the measure of the largest angle in triangle abc is 98.25 degrees

Learn more on cosine rule here:  brainly.com/question/23720007

#SPJ4

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