3 years ago

What is the equation of a line when it is translated vertically down 4 units?

Mathematics

1 answer:

Lisa [10]3 years ago

7 0

Answer:

y= $x^{2}$ -4

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A circle with the equation (x + 3)2 + (y - 2)2 = 25 is reflected over the line x = 2.

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Hi the equation of the-reflected circle is
(X+1)2+(y-2)2=25

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4 years ago

In ΔXYZ, ∠Y is a right angle and sin X = 12/25 Find sec X, tan X, and cos Z in fraction and in decimal form. Round to the neares

Bezzdna [24]

Answer:

In ΔXYZ

∠Y is a right angle
∠X and ∠Z are complementary angles
sin X = 12/25

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

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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6 0

3 years ago

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Blizzard [7]

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Step-by-step explanation:

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3 years ago

The perimeter of a rectangle is 40 inches. If the length is four less than twice the width, find the dimensions and area

Vinvika [58]

Answer:

L = 12 inches and W = 8 inches

Area = 96 in^2

Step-by-step explanation:

Perimeter(P) = 2(width) + 2(length)

Let W = width and L = length

P = 2W + 2L

L = 2W - 4

Substitute: P = 2W + 2(2W - 4)

P = 6W - 8

P = 40 inches

40 = 6W - 8

6W = 48

W = 8

L = 2W - 4

L = 2(8) - 4

L = 12

L = 12 inches and W = 8 inches

===============================

Check to see if this works:

P = 2W + 2L

P = 2(12) + 2(8)

P = 24 + 16

P = 40 inches YES

========

Area = WxL

Area = (12)*(8)

Area = 96 in^2

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2 years ago