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Margaret [11]
4 years ago
13

If C(5,-5) and D(7,3), then what is the length of CD?​

Mathematics
2 answers:
Aleks04 [339]4 years ago
8 0

Answer:

≈ 6.16

Step-by-step explanation:

Calculate the distance (d) using the distance formula

d = √ (x₂ - x₁ )² + (y₂ - y₁ )²

with (x₁, y₁ ) = C(5, - 5) and (x₂, y₂ ) = D(7, 3)

d = √ (7 - 5)² + (3 + 5)²

  = √ 2² + 8² = √ 4 + 64 = √68 ≈ 6.16 ( to 2 dec. places )

dlinn [17]4 years ago
6 0

Answer:

your 21 and need help u slow

ask someone else

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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Maristella is constructing an isosceles triangle to use as a model in her Algebra class. The perimeter of her triangle is 24 cm.
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Isolating s, the equation written in terms of s is:

s = 12 - 0.5b

-------------------------

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b = 24 - 2s

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s = \frac{24 - b}{2}

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A similar problem is given at brainly.com/question/5123313

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