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steposvetlana [31]
3 years ago
9

Help needed ASAP will give brainliest and 5 STARS RATE

Mathematics
1 answer:
Troyanec [42]3 years ago
6 0

Answer:

C.

Step-by-step explanation:

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I have this question and I need it done bad... Help please? Picture included I was never taught matrix
____ [38]
Multiply the numbers on the major axis which are 2 and -9 to get -18.  Subtract from that 3*4 = 12.  So -18-12 = -30.  That's the determinant.
6 0
4 years ago
Can someone help me find the area
katrin2010 [14]

Answer:

84

Step-by-step explanation:

8x6=48

2x4=8

4x7=28

48+28+8=84

5 0
3 years ago
3x+2y=-16<br> -3x-8y=46<br> Find the solution of the system of equations
Mariulka [41]
For the first one Y = -6

3x + 2Y = -16
-2y -2y
3x = -18y
— —
3x 3x

Then divide -18y divided by 3X
To get Y= -6

Hope that helped!
5 0
3 years ago
Help me pleasseeee I don’t know how to solve this
Ann [662]

Answer:

(0,-3) and (5,-2)

Step-by-step explanation:

1. (0,-3)

x = 0, y = -3

-2*x - 3 ≤ y

       -2*0 - 3 ≤ -3  

                -3 ≤ -3 true

y-1 < 1/2*x

           -3 - 1 < 1/2*0

           -4 < 0 true

The pair (0,-3) is the solution.

2. (-3,-4) is not

3. (-4,-1) is not

4. (0,1) is not

5. (5,-2) is the solution

       

6 0
3 years ago
There are 10 girls and 5 boys in a classroom. Of
Mazyrski [523]

Answer:

60%

Step-by-step explanation:

If there's 9 people wearing pink out of 15 then your answers 60%

3 0
3 years ago
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