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vesna_86 [32]
3 years ago
11

Can people plz help me on this work that i don't get? just do 55 to 63 plz

Mathematics
2 answers:
Verizon [17]3 years ago
8 0

Answer:

55.25/80

57.

58.

59.

60.21/5

61.13/4

62.5/3

63.25/4

fredd [130]3 years ago
5 0

Answer:

55. answer is D

56. 0.35

57.

58.

59.

60.21/5

61.13/4

62.5/3

63.25/4

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Answer:

Solution: x = -2; y = 3 or (-2, 3)

Step-by-step explanation:

<u>Equation 1:</u>  y = -5x - 7  

<u>Equation 2:</u> -4x - 3y = -1

Substitute the value of y in Equation 1 into the Equation 2:

-4x - 3(-5x - 7)  = -1

-4x +15x + 21 = -1

Combine like terms:

11x + 21 =  - 1

Subtract 21 from both sides:

11x + 21 - 21 =  - 1 - 21

11x = -22

Divide both sides by 11 to solve for x:

11x/11 = -22/11

x = -2

Now that we have the value for x, substitute x = 2 into Equation 2 to solve for y:

-4x - 3y = -1

-4(-2) - 3y = -1

8 - 3y = -1

Subtract 8 from both sides:

8 - 8 - 3y = -1 - 8

-3y = -9

Divide both sides by -3 to solve for y:

-3y/-3 = -9/-3

y = 3

Therefore, the solution to the given systems of linear equations is:

x = -2; y = 3 or (-2, 3)

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Answer:

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Step-by-step explanation:

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Answer:

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 2 * 10^16

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