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yuradex [85]
3 years ago
9

50 points for this answer

Mathematics
1 answer:
rjkz [21]3 years ago
7 0

Hi Pg1310LisaAwesome,

Solution:

= 2/3 + 1/5

= 10/15 + 3/15

= 13/15

Answer:

13/15

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If x – 10 is a factor of x2 – 8x – 20, what is the other factor?
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Step-by-step explanation:

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second factor is x+2

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The magnitude and direction of two vectors are shown in the diagram. What is the magnitude of their sum? ​
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Separate the vectors into their <em>x</em>- and <em>y</em>-components. Let <em>u</em> be the vector on the right and <em>v</em> the vector on the left, so that

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<em>v</em> = 2 cos(135°) <em>x</em> + 2 sin(135°) <em>y</em>

where <em>x</em> and <em>y</em> denote the unit vectors in the <em>x</em> and <em>y</em> directions.

Then the sum is

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… = √(16 (cos²(45°) + sin²(45°)) + 16 (cos(45°) cos(135°) + sin(45°) sin(135°)) + 4 (cos²(135°) + sin²(135°)))

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