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astraxan [27]
3 years ago
9

2.03 Quiz: Operations with Matrices

Mathematics
1 answer:
tiny-mole [99]3 years ago
8 0

Answer:

BD  is 2x1

CA is 2x1

BC is 2x3

(i think)

Step-by-step explanation:

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Please help me there are 2 answers Thank you
yaroslaw [1]

Answer:

m = 7, m = -15

Step-by-step explanation:

The absolute value makes it so we can make two equations:

m + 4 = 11 and m + 4 = -11.

solve the equations:

m + 4 = 11

m = 7

and

m + 4 = -11

m = -15.

6 0
3 years ago
Which statements are true? Check all that apply. TIMED! WILL GIVE BRAINLIEST!
gladu [14]

Answer:

The 1st, 3rd, 4th, 5th are correct

7 0
3 years ago
Which inequality describes the graph?
Mandarinka [93]

Answer:

1 describe the inequality graph

3 0
3 years ago
Write the equation of the line, in SLOPE-INTERCEPT FORM, that has a slope of -2 and passes through the point (20, 40)
solmaris [256]

Answer:

y=-2x+80

Step-by-step explanation:

40=(-2*20)+b

40=-40+b

80=b

y=(-2*20)+80

y=-40+80

y=40

5 0
3 years ago
5x -1=3x -5<br>explain also​
belka [17]
First add 1 to each side. It will leave you with an equation like this. 5x=3x -4

Next, subtract 3x from each side. It will leave you with an equation like this. 2x= -4

Lastly, divide each side by 2 so we can get x by itself.

ANSWER: x=-2
4 0
3 years ago
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