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Sliva [168]
2 years ago
7

Which triangle would be most helpful in finding the distance between the points (-4, 3) and (1,-2) on the coordinate

Mathematics
1 answer:
Bess [88]2 years ago
7 0

Step-by-step explanation:

1. the required distance can be calculated:

d=\sqrt{5^2+5^2}=5\sqrt{2}.

2. the most helpful triangle is in option 'C' (see the attachment).

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Answer:

  \square\quad{y=\dfrac{1}{2}x+4}\\\\\square\quad{\dfrac{y-5}{x-2}=\dfrac{1}{2}}

Step-by-step explanation:

The slope of a line is the same everywhere, so an equation can be written making use of that fact.

  \dfrac{y-y_1}{x-x_1}=\dfrac{y_2-y_1}{x_2-x_1}\\\\\dfrac{y-5}{x-2}=\dfrac{7-5}{6-2}=\dfrac{2}{4}\\\\\boxed{\dfrac{y-5}{x-2}=\dfrac{1}{2}}

Cross-multiplying gives ...

  2(y -5) = x -2

  2y -10 = x -2  . . . eliminate parentheses

  2y = x +8 . . . . . . . add 10; next, divide by 2

  \boxed{y=\dfrac{1}{2}x+4}

__

These equations match choices B and D.

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3 years ago
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ruslelena [56]

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Step-by-step explanation:

edgenuity

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The answer to this problem is x - 17.
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There is a tv that cost $500. If there was an 18% Discount, what would the sale price be on the tv?
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Hope this helps!
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Step-by-step explanation:

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