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mrs_skeptik [129]
4 years ago
7

Evaluate the determinant for the following matrix: A. –42 B. –36 C. 12 D. 10

Mathematics
1 answer:
Gemiola [76]4 years ago
6 0
Missing information, you didn't provide the matrix
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Mashcka [7]

The length of XY is 17 units

Step-by-step explanation:

A mid-point of a line segment

  • Divide it into two equal segments
  • Each segment is half the length of it

∵ X is the mid-point of WY

∴ WX = XY

∴ WX = \frac{1}{2} WY and XY = \frac{1}{2} WY

∵ WX = 3x - 1

∵ WY = 10x - 26

- By using the rule WX = \frac{1}{2} WY

∴ 3x - 1 = \frac{1}{2} (10x - 26)

- Simplify the right hand side

∴ 3x - 1 = 5x - 13

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∴ 3x = 5x - 12

- Subtract 5x from both sides

∴ -2x = -12

- Divide both sides by -2

∴ x = 6

∵ XY = WX

∵ WX = 3x - 1

∴ XY = 3x - 1

- Substitute the value of x in the expression of XY

∴ XY = 3(6) - 1

∴ XY = 18 - 1

∴ XY = 17 units

The length of XY is 17 units

Learn more:

You can learn more about the mid-point in brainly.com/question/3269852

#LearnwithBrainly

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The pints of ice cream for the students is an illustration of metric units

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She needs one cup for each student in the class.

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So, we have:

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Read more about metric units at:

brainly.com/question/2004114

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