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Vinil7 [7]
3 years ago
9

Consider the matrix shown below:

Mathematics
2 answers:
balu736 [363]3 years ago
8 0

Answer:

Its Not C or B, tried em and got em wrong

Step-by-step explanation:

zaharov [31]3 years ago
3 0

Answer:

its A

Step-by-step explanation:

i just took the test and got it right

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Find an equation in standard form of the parabola passing through the points (1, -2), (2,-2), (3,-4)
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The standard form of a parabola is y=ax²+bx+c
use the three given points to find the three unknown constants a, b, and c:
-2=a+b+c............1
-2=4a+2b+c......... 2
-4=9a+3b+c...........3
equation 2 minus equation 1: 3a+b=0..........4
equation 3 minus equation 2: 5a+b=-2.........5
equation 5 minus equation 4: 2a=-2, so a=-1
plug a=-1 in equation 4: -3+b=0, so b=3
Plug a=-1, b=3 in equation 1: -2=-1+3+c, so c=-4
the parabola is y=-x²+3x-4

double check: when x=1, y=-1+3-4=-2
when x=2, y=-4+6-4=-2
when x=3, y=-9+9-4=-4
Yes.


8 0
2 years ago
Match each area to its corresponding radius or diameter of the circle.(All areas are approximate.) )
MA_775_DIABLO [31]

Answer:

<u>Radius: 12 units </u>

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<u>Diameter: 10 units</u>

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5 0
2 years ago
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3 years ago
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X=31

hope this helps!!
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2 years ago
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