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MaRussiya [10]
3 years ago
11

A square window has a perimeter of (8x+12) feet. Write an expression that represents the side length of the window (in feet). Pl

ease help!!!
Mathematics
1 answer:
luda_lava [24]3 years ago
5 0
Perimeter of a square = 4L
4L = (8x+12)ft
L= (2x+3)ft
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If the length of a rectangle is 2x + 4 and the width is x - 2. write
Bess [88]

Answer:

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Step-by-step explanation:

Use the given values in the formula for the perimeter of a rectangle:

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You have ...

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So, the perimeter is ...

  P = 2((2x +4) +(x -2)) = 2(3x +2)

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The perimeter of the rectangle is 6x+4.

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2 years ago
Write 2.71x10-3 as an ordinary number.​
Katyanochek1 [597]

Step-by-step explanation:

{2.71 \times 10}^{ - 3}

This can be rewritten as

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If we will solve this way,

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But since the denominator is just in terms of 1, we can just simply get the (-3). Note that we have to take the negative into consideration.

From the original position of the decimal point, move the decimal point 3 times TO THE LEFT. Therefore, from 2.71 we move the decimal point 3 times to the left, 0.00271.

If the exponent has a positive value, move TO THE RIGHT.

For example,

2.71 \times  {10}^{3}  = 2.71 \times 1000 \\  = 2710

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5 0
3 years ago
The vertex form of the equation of a parabola is y = 7(x-3)2 + 4. What is the standard form of the equation?
NISA [10]

Answer:

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Subtract the binomials. On simplifying (-3y2 − 8) − (-5y2 + 1), we get ____ y2 −______ .
Gala2k [10]
(-3y^2 − 8) − (-5y^2<span> + 1)
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answer is

</span>2y^2 - 9<span>

</span>
6 0
3 years ago
Read 2 more answers
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