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Irina18 [472]
4 years ago
11

The state of Colorado is in the shape of a rectangle whose length is 380 miles and whose length is 380 miles and whose width is

280 miles. Find its area. how do I work this out
Mathematics
2 answers:
KiRa [710]4 years ago
8 0
Area of a rectangle is Length times width
So basically 380 * 280 should be the answer
The answer should be 106400
balandron [24]4 years ago
3 0
Area= l  x  w

380 x 280= 106400 miles

hope this helps
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Answer:

  • Burger $5.79, fries $3.2

Step-by-step explanation:

Let burger = b and fries = f

<u>Alica:</u>

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<u>Jack:</u>

  • 4b + 2f = 29.56

<u>Simplify the second equation and subtract from the first one:</u>

  • 2b + f = 14.78
  • 2b + 3f - 2b - f = 21.18 - 14.78
  • 2f = 6.4
  • f = 3.2

<u>Find the value of b:</u>

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Answer:

Is this true or false or multiple choice?

Step-by-step explanation:

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G(x) = -x2 + x. Find g(-10).
Andru [333]

It's subsitution.

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Simplify completely..........​
vitfil [10]

Answer:

\frac{x}{x-1}

Step-by-step explanation:

\frac{3x^2 - 1}{x^2 - 1} - \frac{2x + 1}{x + 1}                                          [ \ x^ 2- 1 = (x-1)(x + 1) \ ]

= \frac{3x^2 - 1}{(x-1)(x  + 1 )} - \frac{2x + 1}{x + 1}\\\\=\frac{(3x^2 - 1)-(2x + 1)(x-1)}{(x + 1)(x-1)}                        [\ Taking \ LCM \  ]

= \frac{(3x^2 - 1)- (2x^2 - 2x + x - 1)}{(x+1)(x-1)}\\\\=\frac{3x^2 - 1 - 2x^2 + x + 1 }{(x+1)(x-1)}\\\\=\frac{x^2 +x}{(x+1)(x-1)}\\\\=\frac{x(x+1)}{(x+1)(x-1)}\\\\=\frac{x}{x-1}

<em><u>Finding LCM :</u></em>

Example :

                 \frac{1}{6} + \frac{1}{3}

6 = 2  x   3

3 = 1   x   3

                \frac{1}{2 \times 3} + \frac{1}{ 3} = \frac{1}{2 \times 3} + \frac{1 \times 2}{ 3 \times 2}  

[ To make the denominators same : the second fraction is multiplied and divided by 2 ]

Similarly :

 (x^2 - 1 ) = (x -1)(x+1)\\\\(x + 1)  = 1 \times (x + 1)

Same rule we applied : multiplied the numerator and denominator of the second term with ( x - 1 )

Therefore the second term becomes ,

                                       \frac{2x + 1}{x + 1} = \frac{(2x + 1)(x - 1)}{(x + 1)( x - 1)}

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3 years ago
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