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Simora [160]
3 years ago
7

5.Find the slope of a line perpendicular to

Mathematics
1 answer:
Lemur [1.5K]3 years ago
5 0
Hi there!

When the slopes of two perpendicular lines are multiplied the outcome will be -1.

The slope is the number that is positioned in front of the variable x in the formula. In this case the slope of the given line is -2/5.

Let's call the slope of the perpendicular line m and take into account the given data of the question and my earlier explanation. We then find the following:

-  \frac{2}{5}  \times m =  - 1
Divide both sides by - 2/5.

m =   \frac{ - 1}{  - \frac{2}{5} }  = 2 \frac{1}{2}  =   \frac{5}{2}
The answer is B.

~ Hope this helps you!
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Its like x² + 4x +20 = 0,
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x = [-4 - √[(4²) - (4*1*20)]]/(2*1) = [-4 - √(16-80)]/2 = [-4 - √(-64)]/2 = [-4 - 8√(-1)]/2 = -2 - 4i,
here i = √(-1), its a complex number.
so solution is a complex number,
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8 0
3 years ago
Write the following numbers correct to one significant figure a) 7682 b)0.07682
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Nonamiya [84]
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4 0
4 years ago
Decide if each pair of lines is parallel, perpendicular, or neither.
MA_775_DIABLO [31]

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Hi

Step-by-step explanation:

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4 0
3 years ago
Urgent! <br> Find the area created by the overlapping circles given the following information.
Stels [109]

Answer:

209.55in²

Step-by-step explanation:

Find area of sector CADE

Radius =22 in

Angle=90°

Formula to apply is ;

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Ф=angle of sector, π=3.142 and r =radius of circle

A=\frac{90}{360} *3.142*22*22=380.182in^2

Find area of triangle CAD where base length is 22 inches and height is 22 inches

Area of triangle formula is;

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A=\frac{1}{2} *22*22=242in^2

Find area remaining

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Angle=60°

Formula to apply is ;

Ф/360 × π × r² where

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A=\frac{60}{360} *3.142*28*28=410.55in^2

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The formula to apply is

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8 0
3 years ago
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