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spayn [35]
3 years ago
10

Given the coordinates A (5, 7, -2) and B (8, 3, 4) in 3d space, express AB as:

Mathematics
1 answer:
lys-0071 [83]3 years ago
4 0
The vector AB is found by subtracting the coordinates of point B from the coordinates of point A => (8, 3, 4) - (5, 7, - 2)

(8, 3, 4) - (5, 7, - 2) = (3, - 4, 6)

=>

a) a 3 x 1 column =

|  3  |
| -4  |
|  6  |

b) xi + yj + zk

=> 3i - 4j + 6k
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kiruha [24]

Answer:

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Loss

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Step-by-step explanation:

Here, we want to write each profit as a positive number and each loss as a negative number

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Feliz [49]
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-----------------------------------------

Explanation:

What you do is go through each of the answer choices, plot the points, and see which give you a right triangle. A right triangle has one 90 degree angle. 

The upper-left choice leads to an obtuse triangle, so we can cross that off the list. It turns out that the other choices lead to right triangles.

The upper-right choice has a hypotenuse of roughly 11.18, so that's also eliminated

The bottom-left choice has a hypotenuse of 10.82, which means we cross that off the list

The bottom-right choice has a hypotenuse of 15, so we found the answer

Note: you use the distance formula to find the length of the hypotenuse. The distance formula is
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3 years ago
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erma4kov [3.2K]

Answer:

Line 2 and Line 4 are perpendicular

Step-by-step explanation:

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Answer:

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3 years ago
Read 2 more answers
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