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juin [17]
2 years ago
13

HELP!!!!!!!!!!! !!!!!!!!!!

Mathematics
1 answer:
Sonja [21]2 years ago
5 0

Answer:

second one is 3, the last one is 4560

Step-by-step explanation:

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Which matrix represents the vertices of the rectangle after it is scaled by a factor of 3?.
stellarik [79]

The matrix represents the vertices of the rectangle after it is scaled by a factor of 3 is,

[ 0  12 12  0]

[ 0  0  12  6]

<h2>We have to determine</h2>

Which matrix represents the vertices of the rectangle after it is scaled by a factor of 3?

<h3>According to the question</h3>

The vertices of the triangle are

The scale factor is 3.

<h3>The vertices of the triangle are scaled with the factor of 3 so the vertices are get multiplied by 3.</h3>

Therefore,

The vertices of the rectangle after scaled by the factor of 3 are,

\rm (0, 0), (4, 0), (4, 4) \ and\  (0, 2)\\\\ (0\times 3, 0\times 3), (4 \times 3, 0 \times 3), (4 \times 3, 4 \times 3) \ and \ (0 \times 3, 2 \times 3) \\\\ (0, \ 0), (12, \ 0), (12, \ 12), \ (0,\ 6 )

The vertices of the rectangle after it are scaled by a factor of 3.

Therefore,

The matrix represents the vertices of the rectangle after it is scaled by a factor of 3 is,

[ 0  12 12  0]

[ 0  0  12  6]

To know more about Matrix click the link given below.

brainly.com/question/2489305

8 0
3 years ago
A sample with which of these variances has a standard deviation that is greater than the variance?
White raven [17]
Since the standard deviation is the square root of variance. The only times where the standard deviation is greater than the variance is when the variance is between the values 0 and 1 exclusively. For example, the square root of 0.25 is 0.5. 
4 0
3 years ago
What is 56.23 × 104 in standard form?
aleksklad [387]

Answer:

5.23×10^5

Step-by-step explanation:

You mean 56.23×10^4?

That would be 5.623×10×10^4, or 5.23×10^5

4 0
3 years ago
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The area of a square ice rink is 400 yd.². What is the perimeter of the rink in yards
MakcuM [25]

Answer:

80 yd^2

Step-by-step explanation:

Since the formula for squares is s^2, we can use this to set up an equation, which is

s^2=400

If we square root this, we get

s=20

The perimeter formula for a square is 4s, so if we plug in, we end up with 80 yd^2

8 0
3 years ago
I don’t understand I’m zooted
soldi70 [24.7K]

Answer:

me either

Step-by-step explanation:

3 0
3 years ago
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