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prohojiy [21]
3 years ago
6

What does trace of matrix mean explain with examples

Mathematics
1 answer:
34kurt3 years ago
7 0

Trace of a matrix is defined only for a square matrix . It is the sum of the elements on the main diagonal, from the upper left to the lower right, of the matrix

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Y = −x + 4
natima [27]
Neither of them intersect the origin, so option 4 is ruled out. They do intersect, at (0.25, 3.75). And they each intersect the x and y axis. The question was which description best describes the solution... so I think it would be, "Line y = -x + 4 intersects the line y = 3x + 3."
7 0
3 years ago
Grace ran 8 laps and walked 3 laps around the gym track. Grace ran twice as many laps as Tami ran. Then Tam walked twice as many
GrogVix [38]

Answer:

Grace

Step-by-step explanation:

Grace ran 11 since 8 + 3= 11. Tam ran 4 laps and walked 6 and 4 + 6 = 10. Grace did 11 laps while Tam did 10 laps.

6 0
3 years ago
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The ages of three siblings combined is 27. The oldest is twice the age of the youngest. The middle child is 3 years older than t
kondaur [170]

Answer:

the oldest sibling is 12 years old.

The middle child is 9 years old.

The youngest child is 6 years old.

Step-by-step explanation:

Let the age of the youngest child be x

Then the oldest child will be 2x.

The middle child will be x + 3.

Since the combined age is 27;

x + 2x + x + 3 = 27

4x = 27 - 3

x = 24 / 4

x = 6

now 2x = 12 and x + 3 = 9

7 0
3 years ago
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(7t-2)-(-3+1)=-3(1-3t) how do you do this?
Sergeu [11.5K]
<h2>Greetings!</h2>

Answer:

t = \frac{3}{2}

Step-by-step explanation:

First, you need to complete the -3 + 1 and then expand the brackets

-3 + 1 = -2

7t -2 - (-2) = -3(1 - 3t)

Now expant the -3(1 - 3t) bracket

-3 * 1 = -3

-3 * -3t = 9t

7t - 2 - -2 = 9t - 3

The two negatives turn positive:

7t - 2 + 2 = 9t - 3

7t = 9t - 3

Move the -3 over to the oposite side, and also move the +7t over to the +9t, making it a negative:

3 = 9t - 7t

3 = 2t

Divide both sides by 2:

t = \frac{3}{2}

So the value of t is \frac{3}{2}


<h2>Hope this helps!</h2>
6 0
4 years ago
Write an algebraic rule to describe the translation P(–8, 6)
yKpoI14uk [10]
T_(-8,6): (x,y) -> (x-8, y+6)
5 0
3 years ago
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