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alexandr402 [8]
3 years ago
13

Which expression is equivalent to the area of metal sheet required to make this square-shaped traffic sign?

Mathematics
1 answer:
Nataly [62]3 years ago
4 0
The area of a square is A =  s^{2}, where s = length of a side of the square. You know the length of the square shaped traffic sign's side is s =<span> 2x-1. Plug that value into the equation for the area of the square and foil:
</span>A = s^{2} \\&#10;A = (2x-1)^{2} \\&#10;A = (2x-1)(2x-1)\\&#10;A = 4x^{2} - 4x + 1
<span>
The area of the square sign is D) </span>4x^{2} - 4x + 1
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Simplify 12 + 16 ÷ 4 · 5 - 8​
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Step-by-step explanation:

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12 + 20 - 8

32 - 8

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nlexa [21]

Answer:

Hi,can you please answer mine too it's question 9-12 I really need the answer because I have to pass it tomorrow morning:(

Step-by-step explanation:

about your question I'll put it in the comment section:)

4 0
2 years ago
A ferry is travelling at a constant speed back to the dock, as shown in the graph. Which
mario62 [17]

Answer:

c. y = -35*x + 105

Step-by-step explanation:

Lo que demos hacer es calcular los puntos cuando x = 0 y cuando x = 3, es decir el inicio y el fin del recorrido.

Cuando x es igual 0, y = 105, por lo tanto, la función sería:

y = A*x + 105

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7 0
3 years ago
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mario62 [17]

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Step-by-step explanation:

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\frac{4 - 2}{6 - 3}

From here you get ⅔ for the slope.

4 0
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