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tino4ka555 [31]
3 years ago
6

The width of a rectangle is the length minus 2 units.The ares of the rectangle is 48 units.What is the width, in units ,of the r

ectangle
Mathematics
1 answer:
VARVARA [1.3K]3 years ago
8 0

Answer:

x(x - 4) = 12

x2 - 4x = 12

x2 - 4x - 12 = 0

(x - 6)(x + 2) = 0

x - 6 = 0

    x = 6

If the length is 6, the width must be 2.

Step-by-step explanation:

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\bf ~~~~~~\textit{reflection over the x-axis}\\\\\bullet \textit{ flips it sideways if }  B\textit{ is negative}\\~~~~~~\textit{reflection over the y-axis}\\\\\bullet \textit{ horizontal shift by }\frac{  C}{  B}\\~~~~~~if\ \frac{  C}{  B}\textit{ is negative, to the right}

\bf ~~~~~~if\ \frac{  C}{  B}\textit{ is positive, to the left}\\\\\bullet \textit{ vertical shift by }  D\\~~~~~~if\   D\textit{ is negative, downwards}\\\\~~~~~~if\   D\textit{ is positive, upwards}\\\\\bullet \textit{ period of }\frac{2\pi }{  B}

with that template in mind,

\bf y=\stackrel{A}{1}|\stackrel{B}{1}x\stackrel{C}{+1}|\stackrel{D}{-2}

so is really just |x| but shifted some,

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D = -2, vertically downwards by 2 units.

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Step-by-step explanation:

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Step-by-step explanation:

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5 0
2 years ago
Read 2 more answers
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