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dimaraw [331]
3 years ago
12

Solve.

Mathematics
1 answer:
Aloiza [94]3 years ago
8 0

Step-by-step explanation:

x=−y−2z+3

x=y+32z+1

x=13y+23z+13

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Akimi4 [234]
D. (2,3)

Explanation:

We already know that x=2, so of we plug in 2 for x, we should get the y value.

Once we plug in 2 for x we should get the equation:

2(2)+3y=13.

Simplify that and we get:

4+3y=13.

Subtract 4 from both sides and we get:

3y=9.

Divide both sides by 3 and we get:

y=3.

This means that your ordered pair should be (2,3).

Hope this helps :)
4 0
3 years ago
What is the equation of the axis of symmetry of the parabola y=-2x^2+8x-7?<br> x=.....
guapka [62]

Answer:

Equation of axis of symmetry is x = 2

Step-by-step explanation:

The equation of the parabola is given as;

y = -2x² + 8x - 7

The equation of the axis of symmetry is given by;

x = -b/2a

In the parabola equation given and using letters of quadratic equation, we can say that;

a = - 2

b = 8.

c = -7

Thus;

x = -b/2a = -8/(2 × - 2)

x = 8/4

x = 2

Equation of axis of symmetry is x = 2

4 0
2 years ago
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mezya [45]
I believe the answer is the second one
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2 years ago
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lapo4ka [179]

Answer:

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Step-by-step explanation:

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7 0
2 years ago
Diameter is 22.5m. Calculate the area (round your answer to 2 decimal places). Use 3.14 for Pi.​
Tamiku [17]

Answer:

because r=d/2 it will be

22.5/2=r

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3 years ago
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