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irakobra [83]
3 years ago
10

Decide whether y is a function of x. y=-3x-4

Mathematics
1 answer:
Nataly [62]3 years ago
4 0
Yes, for every value of x, there is only one value of y. This means that y is a function of x.
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The length of a rectangle is 4 centimeters more than twice its width of the perimeter of the rectangle is 86centimeters find the
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Answer:

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Step-by-step explanation:

Let the length of the rectangle be 'L'

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86=2(2W+4+W)\\86/2=3W+4\\43=3W+4\\3W=43-4\\3W=39\\W=39/3\\W=13 cm\\\\Length(L)=2W+4\\=2(13)+4=26+4=30 cm\\Length=30 cm

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3 years ago
A city planner wants to build a road perpendicular to D Street. What is the slope of the new road?
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Answer:

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Step-by-step explanation:

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[if the angle made by a line with x axis is \alpha then, the slope of that line will be tan(\alpha) ]

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2 years ago
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