leahstubbs
26.09.2019 •
Mathematics
C(5,4) and d (3,10) find the length
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Ответ:
Ответ:
CD = √[(x₂-x₁)² + (y₂-y₁)²]
CD = √[(3-5)² + (10-4²)]
CD = √[(-2)² + (6)²]
CD = √[(4) + (36)]
CD = √40 = 2√10 = 6.3246
Ответ:
There are only 3 differences perform
Step-by-step explanation:
I. If x is negative, y is negative then the answer is possitive
eg. x is -2, y is -3
-2 × -3 = 6
II. If x is negative, y is positive then the answer is negative
eg. x is -1, y is 2
-1 × 2 = -2
III. If x is possitive, y is possitive then the answer is positive
eg. x is 2, y is 5
2 × 5 = 10
Alt. No matter how long x, y, z, a, b there always apply only 3 rules above. Multiply or Devide are the same rule.
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