How is naming a line segment different from naming a line?

1 answer:

Studentka2010 [4]3 years ago

7 0

A line is infinite, it has no beginning or end. it's length is infinite.
It can only be named by the equation or a variation of y=mx+c where m is the gradient and c is the y intercept

A line segment has a specific start and end, and a length.
It can be expressed giving two sets of coordinates, (the start and finish)

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What is the measure of an exterior angle in a regular polygon with 15 sides?

vlabodo [156]

First, find the measure of an interior angle:
the sum of the interior angles of a polygon is (n-2)*180, n is the number of sides
for a 15-sided polygon, the sum is 13*180
each interior angle is then 13*180/15=156
the measure of each exterior angle=180-156=24

4 0

3 years ago

Read 2 more answers

Divide 32 in the ratio 3:1

Igoryamba

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Ratio
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3 : 1

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Find total parts
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3 + 1 = 4

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Split the 32 according to the parts
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4 parts = 32
1 part = 32 ÷ 4
1 part = 8
3 part = 8 x 3 = 24

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Split the 32 into the ratio
------------------------------------------------
24 : 8

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Answer: 24 : 8
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2 years ago

The following function defines a recessive sequence:

irga5000 [103]

$f(0)=-4\\f(1)=12\\\\f(n)=-3f(n-1)-2f(n-2)\\\\f(2)=-3f(2-1)-2f(2-2)=-3f(1)-2f(0)=-3\cdot12-2\cdot(-4)\\=-36+8=-28\\\\f(3)=-3f(3-1)-2f(3-2)=-3f(2)-2f(1)=-3\cdot(-28)-2\cdot12\\=84-24=60\\\\Answer:A)\ -4;\ 12;-28;\ 60;...$