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Ahat [919]
3 years ago
10

1. Solve the system of equations. 2y - 3z=0 x+3y = -4 3x + 4y = 3

Mathematics
1 answer:
Anestetic [448]3 years ago
7 0

Answer:

1. y = 3/2z

Step-by-step explanation:

1. ,2y-3z + 3z =0 + 3z ,2y=3z, 2y/2 =3z/2=3/2z

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Please help me i'll give 20 points to whoever helps me answer all 4 of them and brainly
Brilliant_brown [7]

Answer:

G - number of arrangements

F. the amount of her allowance

B. y = x

H. the number of hours

7 0
2 years ago
What is the equation of the following graph?
nignag [31]

Answer:

{y}^{2}  = 24x

Step-by-step explanation:

This is horizontal parabola.

It has a directrix at x=-6.

The vertex is (0,0).

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The equation of this parabola is of the form

{y}^{2}  = 4px

Where (p,0) is the focus

By comparison, p=6

Therefore the equation of the parabola is

{y}^{2}  = 4 \times 6x

This implies that

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6 0
3 years ago
Can anyone help me solve these linear systems using substitution?
Andre45 [30]

Answer:

1. (2,2)

2. (-20, -1)

3. (4,3)

Step-by-step explanation:

See attached images

4 0
2 years ago
Read 2 more answers
Margie walked 3.75 miles on Tuesday morning. On Wednesday morning, she walked 1.2 times as far as she did on Tuesday. How far di
kari74 [83]
She walked 4.5 miles. just multiply the miles she walked Tuesday by 1.2.
5 0
2 years ago
Find the value of x. Round to the nearest tenth.! PLEASE HELPP I’ve been stuck on it for HOURS!
barxatty [35]

Answer

63.2 degrees

Step-by-step explanation:

Using law of cosines:  19^2=8^2+14^2-2(8)(14) cos (x)

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361=260-224cos(x)

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6 0
2 years ago
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