3 years ago

Someone pls help. Pls show work and explain. Thank you so much. Due 9/27/18

1 answer:

RSB [31]3 years ago

3 0

|x+y|=|x|+|y| is true because its a formula for a equation

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Elanso [62]

Answer:

25 in

Step-by-step explanation:

$a^{2} +b^{2} =c^{2} \\15^{2} +20^{2} =c^{2} \\225+400=c^{2} \\c^{2} =625\\c=\sqrt{625} \\c=25$

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sveticcg [70]

The answer would be .65 because 0.6513/20=0.65 So it is .65

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alisha [4.7K]

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Minchanka [31]

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Bezzdna [24]

Answer:

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

sec X = 1/cos X = $1/\sqrt{1- sin^2X} = 1/\sqrt{1 - 12^2/25^2} = 1/\sqrt{481}/25 = 25/\sqrt{481}$
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3 years ago