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Natalka [10]
2 years ago
7

PLEASE HELP ILL MARK AS BRAIN LEIST!

Mathematics
1 answer:
olchik [2.2K]2 years ago
7 0

Answer:

a. square

b. square

c. The shapes are the same because they are in the same form and are similar. They are different because they have different dimensions.

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Vector u has initial points at (21,12) and it’s terminal point at (19,-8). Vector v has a direction opposite that of u. Who’s ma
8_murik_8 [283]

The correct form of vector v expressed as a <em>linear</em> combination of the <em>unit</em> vectors i and j is \vec v = 10\,\hat{i} + 100\,\hat{j}.

<h3>What is the value of a vector with respect to another vector?</h3>

First, we need to determine the value of the vector u by subtracting two vectors whose <em>initial</em> points are at the origin:

\vec u = (19\,\hat{i} - 8\,\hat{j}) - (21\,\hat{i} + 12\,\hat{j})

\vec u = - 2\,\hat{i} - 20\,\hat{j}     (1)

According to the statement, vector v is antiparallel to vector u and its magnitude is five times as the magnitude of vector v, which means that (1) must be multiplied by two scalars:

\vec v = - 1 \,\cdot \, 5\cdot \vec u      (2)

Please notice that antiparallelism is represented by the scalar - 1, whereas the dilation is represented by the scalar 5.

\vec v = 10\,\hat{i} + 100\,\hat{j}

The correct form of vector v expressed as a <em>linear</em> combination of the <em>unit</em> vectors i and j is \vec v = 10\,\hat{i} + 100\,\hat{j}.

<h3>Remark</h3>

The statement presents typing mistakes, correct form is shown below:

<em>Vector u has initial points at (21, 12) and its terminal point at (19, - 8). Vector v has a direction opposite that of u, whose magnitud is five times the magnitud of v. Which is the correct form of vector v expressed as a linear combination of the unit vectors i and j?</em>

To learn more on vectors: brainly.com/question/13322477

#SPJ1

8 0
2 years ago
Pls help meeee (8/n^5)^6
marishachu [46]
8^6/n^30=262144/n^30
7 0
3 years ago
15 POINTS PLEASE HELP
myrzilka [38]
$800
That is the answer
3 0
4 years ago
Read 2 more answers
Susanna added 2 × <br> 1<br> 100<br> to 204.197. What is the sum?
GaryK [48]

Answer:

204.217

Step-by-step explanation:

4 0
3 years ago
Factorise fully 12x³ - 30x²​
MariettaO [177]

Answer:

6x² (2x - 5)

Step-by-step explanation:

12x³ - 30x²

= 6x² (2x - 5)

5 0
3 years ago
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