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liraira [26]
3 years ago
7

If the slope of line L is -2/5, what is the slope of line m so that line l and line m are perpendicular?

Mathematics
1 answer:
ki77a [65]3 years ago
3 0
Perpendicular lines have negative reciprocal slopes. So if the slope is -2/5...to find the negative reciprocal, " flip " the slope and change the sign.
So we flip -2/5 and we get 5/-2...and now we change the sign...and we get 5/2. So our perpendicular slope will be 5/2.
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3 years ago
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iren2701 [21]

Answer:

Law of cosines to find missing measures

c^2= a^2+ b^2 - 2ab*cos(C)

Used because it is a SAS triangle

Step-by-step explanation:

This is known as a side, angle, side, or SAS triangle. We can find the missing measures by using the Law of cosines

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3 years ago
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miv72 [106K]

Answer:

<h3>4x^2/3</h3>

Step-by-step explanation:

Given the expression (8x)^2/3

This can also be expressed as;

(8x)^2/3

= (2^3x)^2/3

= (2³)^2/3 * x^2/3

= 2^2 * x^2/3

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5 0
3 years ago
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Sveta_85 [38]

Answer:

1.187991

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=(−0.930095)2−(cos(330))(cos(240))

=0.865076−(cos(330))(cos(240))

=0.865076−−0.991199(cos(240))

=0.865076−(−0.991199)(0.325781)

=0.865076−(−0.322914)

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8 0
2 years ago
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adelina 88 [10]
$122, because 11x14= 154, then 154-32=122. 
8 0
3 years ago
Read 2 more answers
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