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grin007 [14]
4 years ago
6

Consider the definition-based algorithm for adding two n-by-n matrices. What is its basic operation? How many times is it perform

ed as a function of the matrix order n? As a function of the total number of elements in the input matrices?

Mathematics
2 answers:
Marianna [84]4 years ago
7 0

Answer:Check the attached

Step-by-step explanation:

pshichka [43]4 years ago
6 0

Answer:

1. Addition

2.n^2 no of elements

3. total number of  elements in two given matrices is N = 2(n^2)

Step-by-step explanation:

1. Addition of two numbers is the basic operation which will result in another n by n matrix.

2.

Consider two matrices of order n.

i.e. each matrix contains n^2 no of elements

3.Since the total number of  elements in two given matrices is N = 2(n^2), the total number of additions

can also be expressed as n^2 = N/2.

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4 0
3 years ago
Find the slope of the line that passes through (9, 10) and (1, 13) .
erik [133]

Answer:

-3/8 is the slope of the line

Step-by-step explanation:

8 0
3 years ago
Use the confidence interval to find the estimated margin of error. Then find the sample mean. A biologist reports a confidence i
Pavlova-9 [17]

Answer:

\bar X = \frac{Lower +Upper}{2}

\bar X= \frac{1.9+3.3}{2}= 2.6

And the margin of error with this one:

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ME = \frac{3.3-1.9}{2}= 0.7

Step-by-step explanation:

Assuming that the parameter of interest is the sample mean \mu. And we can estimate this parameter with a confidence interval given by this formula:

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For this case the confidence interval is given by (1.9, 3.3)

Since the confidence interval is symmetrical we can estimate the sample mean with this formula:

\bar X = \frac{Lower +Upper}{2}

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And the margin of error with this one:

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7 0
4 years ago
Angle XYZ is rotated 270 degrees counterclockwise about the origin to form angle X’Y’Z’. Which statement shows the measure of an
8090 [49]
It is fine that you did not include the measure of angle XYZ in your posting.

This question is testing your knowledge of the four types of transformations.
1) Translations - an item is "slid" to a new location.
2) Reflections - an item is "flipped" (usually over the x-axis or y-axis)
3) Rotations - an item is rotated, usually around the origin (the point (0,0) is the center of most rotations, especially in high school math).
4) Dilations - an item is enlarged or reduced by a certain ratio.

It the first three, the image after the transformation is congruent to the pre-image.  It has the same size and shape.  It is simply flipped, rotated, slid...

But... in the fourth, dilation, the image now has a different size.  It is still, however the same shape.

In geometry terms, after the first three transformations, the image is still "congruent" to the pre-image.  After dilation, the image is "similar" but not "congruent."

So... all that to say that when you rotate an angle around the origin, the measure of the angle doesn't change.

So the first choice is correct.  The measure of the image of the angle is the same as the measure of the angle.
<span>m∠X’Y’Z’ = m∠XYZ
</span>
7 0
4 years ago
Read 2 more answers
Which point is a solution to the linear inequality below:
gayaneshka [121]

Answer:

A (0,0)

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3 years ago
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