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ss7ja [257]
3 years ago
10

Solve the following system of equations for all three variables. 2x+y+6z=2 // −2x+8y−3z= 4 //−2x+8y−9z= −8

Mathematics
1 answer:
Montano1993 [528]3 years ago
3 0
Can you add a picture ??
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Which graph represents an even function?<br>​
expeople1 [14]

Answer:

Step-by-step explanation:

The first graph (the parabola opening down) represents an even function, since this graph is symmetric with respect to the y-axis.

5 0
3 years ago
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F(x) = -4x2 – x - 3<br> Find f(1)
nadezda [96]

Answer:

-8

Step-by-step explanation:

-4 (1)^2 -(1) -3

-4-1-3=-8

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2 years ago
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A vegetarian restaurant used 46,170 ounces of spinach last month. This month, with a menu
poizon [28]

Answer:

83100

Step-by-step explanation:

46,170 + .8(46170)

46170 + 36936

83100

7 0
1 year ago
What are the solutions of x squared 6 x minus 6 = 10?.
Anika [276]

Answer:

x=-8 OR X=2

Step-by-step explanation:

X²+6X-6=10

X²+6X-16=0

X²+8X-2X-16

X(X+8)-2(X+8)

X+8=0 X-2=0

X=-8 OR X=2

8 0
2 years ago
What are the solutions to the equation <br><img src="https://tex.z-dn.net/?f=2%20%7Cx%20-%202%7C%20%20-%208%20%3D%2020" id="TexF
leva [86]

The solutions of the equation are -12 and 16

Step-by-step explanation:

Absolute value describes the distance of a number on the number line from 0 without considering which direction from zero the number lies. The absolute value of a number is never negative, if IxI = a, where a > 0, then

  • x = a
  • x = -a

∵ 2Ix - 2I - 8 = 20

- At first add 8 to both sides

∴ 2Ix - 2I = 28

- Then divide both sides by 2

∴ Ix - 2I = 14

Now By using the notes above equate x - 2 by 14 and -14

∵ x - 2 = 14

- Add 2 to both sides

∴ x = 16

∵ x - 2 = -14

- Add 2 to both sides

∴ x = -12

The solutions of the equation are -12 and 16

Learn more:

You can learn more about solving equations in brainly.com/question/2386054

#LearnwithBrainly

4 0
3 years ago
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