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lara31 [8.8K]
2 years ago
15

Which statement is true about the equations -3x + 4y = 12 and #x - 4y = 1?

Mathematics
1 answer:
Amanda [17]2 years ago
3 0

Answer:

i think its the first one

Step-by-step explanation:

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Sally has made a scale drawing of the airplane, in which the wingpsan is 10 inches and the tailspan is 3 inches. What is the act
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The answer would be a
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3 years ago
Franco se quedó en un hotel por 5 noches. La habitación del hotel cuesta $ 92 por noche. Tenía un cupón de $ 10 de su factura to
lesya [120]

Answer:

Serian $460 per si tiene un cupon de $10 serian $450

Step-by-step explanation:

Para encontrar el resultado multiplica 92x5= 460 y si tiene un cupon de $10 lo restas y da a un total de $450

3 0
3 years ago
Kathy organised a wedding , guests had to choose their meal from pasta , chicken or beef 1/3 chose pasta 5/12 chose chicken and
Ilia_Sergeevich [38]

so together the amount of people who chose beef should be 4/12 since you must find the greatest commen factor. Then you should add 4/12 and  24 im thinking and you would get 24.3333 but if your looking for a mix number it would be 24 3333/1000

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7 0
3 years ago
Find the solution to the following system using substitution or elimination: y = 3x + 2 y = -2x - 8 O A. (-5,-) OB. (-2,-4) O C.
mr Goodwill [35]

Answer:

B. (-2,-4)

Explanation

Given equations:

   y = 3x + 2

   y = -2x - 8

Solving both equations will yield the values of x and y;

Solution:

   y = 3x + 2    ----- (i)

   y = -2x - 8   ------ (ii)

Using substitution method, input equation i, into ii

    3x + 2 = -2x - 8

Collect like terms and solve;

     3x + 2x = -8 -2

         5x  = -10

            x  = -2

Then put x = -2 into i, to find y

      y = (-2 x 3) + 2

       y = -6 + 2 = -4

So, the solution of the equation is B. (-2,-4)

6 0
3 years ago
Please help me in this question.Tell me if it is good. And if it is not good then do it for me please.
Orlov [11]

Answer:

Y = 170, Z = 64.

Step-by-step explanation:

Since y is the external angle to x, which you got right, it is in fact, 180-10, = 170 degrees. And since z is the external to our unknown angle, that means it is equal to the sum of the other two angles in the triangle. That means z is 54 + 10, which is 64.

6 0
3 years ago
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