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Brilliant_brown [7]
3 years ago
8

Kanji buys 3 yards of fabric for $7.47. Then he realizes that he needs 2 more yards Of the Same fabric. How much will the extra

fabric cost?
Mathematics
1 answer:
emmainna [20.7K]3 years ago
6 0
It will cost 4.98.
Explanation: If you divide 7.47 by 3, you get 2.49. One yard plus one yard equals two yards. Multiply 2.49 by 2 to get the answer.
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Which of the following is an equation for the plane through the point (1, 1, −1) and parallel
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Let (x,y,z) be any point in the plane we want. The plane contains the point (1, 1, -1), so an arbitrary vector in this plane is

\langle x,y,z\rangle - \langle 1,1,-1\rangle = \langle x-1, y-1, z+1 \rangle

and this is perpendicular to \vec n.

So the equation of the plane is

\langle x-1, y-1, z+1 \rangle \cdot \vec n = 0 \implies (x-1) - (y-1) + (z+1) = 0 \implies \boxed{x - y + z = -1}

or equivalently,

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2 years ago
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konstantin123 [22]

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Step-by-step explanation:

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First, add 2 to both sides

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nika2105 [10]
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marin [14]

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7 0
3 years ago
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