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11111nata11111 [884]
3 years ago
9

What are the dimensions for matrix c

Mathematics
2 answers:
Sedaia [141]3 years ago
6 0

Because matrix A has 3 rows, and matrix B has 2 columns, matrix C will be a 3x2 matrix. 3 rows, 2 columns.

max2010maxim [7]3 years ago
3 0

Answer:

it is c I hope this helps you.

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Find the average rate of change<br> f(x)=x^2−6x+8 when x2=1 and x1=3
sergeinik [125]

Answer:

Average rate of change for given function is: -2

Step-by-step explanation:

Given function is:

f(x)=x^2-6x+8\\x_12= 1\\x_1 = 3

In order to find the rate of change, we have to find the value of function on x1 and x2

So,

f(x_1) = (3)^2-6(3)+8 = 9-18+8 = -1\\f(x_2) = (1)^2-6(1)+8 = 1-6+8 = 3

The formula for finding the rate of change is:

Rate\ of\ change = \frac{f(x_2)-f(x_1)}{x_2-x_1}

Putting the values, we get

=\frac{3-(-1)}{1-3}\\=\frac{3+1}{-2}\\=\frac{4}{-2}\\= -2

Hence,

Average rate of change for given function is: -2

3 0
3 years ago
Read 2 more answers
Please explain to the point a dummy will understand
valkas [14]

Answer:

pretty sure its 18*5

Step-by-step explanation:

1. Solve 3^2 (three squared)

3 x 3= 9

2. Replace 3^2 with 9

it should now look like this:

2*9*5

3. Multiply left to right

2*9= 18

18*5

hope this helps :p

5 0
3 years ago
A recliner that regularly sells for $798 was on sale for 35% off the regular price.What is the sale price?
jekas [21]

Answer:

2,280

Step-by-step explanation:

6 0
3 years ago
Factor Completely.<br> 30r^2 + 30r + 75.
kari74 [83]

Answer:

15(2r^2+2r+5)

Step-by-step explanation:

I'm more of a guess and check type of person, but 15 x 2r^2 = 30r^2, 15 x 2r = 30r, and 15 x 5 = 75

6 0
3 years ago
You get a 15% raise at you job and now make $13.50 per hour. What was you previous
Anna71 [15]

Answer:

Original wage was $11.74/hr

Step-by-step explanation:

Let your beginning hourly rate be r.  

Then 1.00r was your previous rate of pay.

Also, 0.15r was your pay increase.

Thus, 1.15r = $13.50.  Solve this for r:

r = $13.50 / 1.15 = $11.74/hr

Check:  Does $11.74 plus the raise 0.15($11.74) come to $13.50/hr?

                         $11.74/hr     +               $1.76/hr         =   $13.50.     YES

7 0
3 years ago
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