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JulsSmile [24]
3 years ago
11

A rectangle has a length of 12 meters and a width of 400 centimeters. What is the perimeter, in cm, of the rectangle?

Mathematics
2 answers:
MariettaO [177]3 years ago
8 0

Answer:

D . 3,200

Step-by-step explanation:

melisa1 [442]3 years ago
3 0
824 cm perimeter. 100% sure now
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Which expression is equivalent to x³ - x² - 14x + 24?
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Answer:

<h3>A. ( x - 2 )( x - 3 )(x + 4 )</h3>

<h3>Step-by-step explanation:</h3>

<h3>x³ - x² - 14x + 24</h3>

<h3>1. Use the rational root theorem</h3>

= (x  - 2) \frac{x ^{3}  -x^{2}  - 14x + 24}{x - 2}

<h3>2. \frac{  {x}^{3} - {x}^{2}  - 14x + 24 }{x - 2}  =  {x}^{2}  + x - 12</h3><h3 />

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<h3>3. Factor x² + x - 12 : ( x -3 )( x + 4)</h3>

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<h3>Solution : </h3>

<h3>= ( x - 2 )( x - 3 )(x + 4 )</h3>
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2 years ago
5(x+21)= 8x help me please
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Answer:

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Steps

1.  5x + 105 = 8x because you distributed the 5

2. 105 = 3x because you subtract the 5x on both sides

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