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Lelu [443]
3 years ago
12

Given the equation x + 2y = 0, which equation will form a system of linear equations without a solution?

Mathematics
1 answer:
Oxana [17]3 years ago
3 0

Answer:

2.5 and -0.75

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2 years ago
Will get Brainliest!!!!!!!<br> Is -8 an integer?
Elden [556K]

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3 years ago
Read 2 more answers
Cos (A+B) =1/5<br>COS (A-B) = 3/5<br>Then find tan (A-B)​
Soloha48 [4]

Answer:

tan (A-B)​ = ± 4/3

Step-by-step explanation:

COS (A-B) = 3/5

COS² (A-B) = (3/5)² = 9/25 = 1 - sin² (A-B)

sin² (A-B) = 1 - 9/25 = 16/25

sin (A-B) = ± 4/5

tan (A-B) = sin (A-B) / cos (A-B) = (± 4/5) / (3/5) = ± 4/3

4 0
3 years ago
Solve 8[7 - (6x - 6)] + 6x = 0.
dsp73
Its x = 52/21 = 2.47
6 0
3 years ago
Read 2 more answers
How do i solve 4x - 2y = 22 and 2x + 4y = 6 using substitution and elimination?
Fiesta28 [93]

substitution and elimination means that you need to use one equation and substitute it in place of some variable in the other equation.

Consider the above two equations.

Take equation 1, which is 4x-2y=22 => x=(22+2y)/4

substitute the x value gained above in equation 2.

so, 2((22+2y)/4)+4y=6

22+2y+8y=12 => 10y = -10 => y= -1.

Substitute y= -1 in x value obtained in the beginning.

So, x= (22 - 2)/4 => 5.

There fore, x= 5 and y= -1

Hope it helps.

5 0
3 years ago
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