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frosja888 [35]
3 years ago
12

Question 15 of 26

Mathematics
1 answer:
DanielleElmas [232]3 years ago
3 0

Answer:

3.5 yards

Step-by-step explanation:

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Point B has coordinates (−4, −2). The x-coordinate of point A is 5. The distance between points A and B is 15 units. What are th
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~~~~~~~~~~~~\textit{distance between 2 points} \\\\ A(\stackrel{x_1}{5}~,~\stackrel{y_1}{y})\qquad B(\stackrel{x_2}{-4}~,~\stackrel{y_2}{-2})\qquad \qquad d = \sqrt{( x_2- x_1)^2 + ( y_2- y_1)^2} \\\\\\ \stackrel{AB}{15}=\sqrt{[-4 - 5]^2 + [-2 - y]^2}\implies 15^2=(-9)^2+(-2-y)^2

225=81+(-2-y)(-2-y)\implies 225=81+\stackrel{F~O~I~L}{(4+4y+y^2)} \\\\\\ 144=4+4y+y^2\implies 0=y^2+4y-140\implies 0=(y-10)(y+14) \\\\\\ y= \begin{cases} 10\\ -14 \end{cases}\qquad \qquad \qquad A(5~~,~~10)\qquad A(5~~,~~-14)

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avanturin [10]

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1

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because i said so

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2x-8=x+4. What would x be
CaHeK987 [17]

2x - 8 = x + 4

Collecting like terms,

2x - x = 4 + 8

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x = 8 + 4 \\ x = 12

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torisob [31]

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the retail price is $47.30

Step-by-step explanation:

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Can I ge some help on this please
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I can’t see it if you send a photo I can help
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