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IRINA_888 [86]
3 years ago
13

( -4 ) 3÷( -4 ) -12 ​

Mathematics
1 answer:
bazaltina [42]3 years ago
8 0

Answer:

(-4)3/(-4)-12

-12/48

-1/4

Step-by-step explanation:

PEMDAS

do multiplication then division

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Elimination using addition and subtraction. <br> -4x+4y=-20<br> -2x+4y=-2
goldfiish [28.3K]

I would subtract the 2nd from the first one

so -4x - -2x = -2x

4y - 4y = 0

-20 - -2 = -18


-2x = -18

now I would divide that by -2 to get the value for x

so no we have x = 9


now you just have to substitute that into one of the equations and simplify to get y


-2 X 9 + 4y = -2

-18 + 4y = -2

4y =16

y = 4



3 0
3 years ago
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Elena L [17]
Y= ∛(-x) - 3
for x = -8 → y = ∛-(-8) - 3 ↔ y = 2-3 ↔y = -1
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3 years ago
If <br> −6x+9y=−4 is a true equation, what would be the value of <br> 9y−6x?
Arisa [49]

Answer:

It will be 30

Step-by-step explanation:

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What are the coordinates of the vertex of y=x²+4x+3?​
Travka [436]

Answer:

(-2, -1).

Step-by-step explanation:

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Completing the square:

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