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Mariulka [41]
3 years ago
13

How do you simply these expressions? a. (1/2)^-3 b. (3/5x)^-1

Mathematics
1 answer:
gulaghasi [49]3 years ago
3 0
(1/2)^-3=1/(1/2)^3=2^3  (by x-n=1/x^n)

(3/5x)^-1=5x/3
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Match each system of equations to its graph. y = 2x + 1 y = x + 2 y = 3x y = x + 3 y = 2x − 2 y = x − 2 y = 2x + 3 y = x + 5 y =
GalinKa [24]

The matchup are:

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  • (2nd picture): y=4x+2 and y =3x+2
  • (3rd picture): y=2x+1 and y =x+2
  • (4th picture): 3x and x+3

<h3>What does the graph of an equation shows?</h3>

The graph of the linear equation is known to be one that often brings or  set the  points that can be found on the coordinate plane and it is one that shows all the solutions to the equation.

Note that when  all variables stands for real numbers, a person can be able to use graph to show the equation and this is often done through plotting the points to show a pattern and then link up the points to have all the points.

From the above, the pictures that have all the points as shown on the graph are:

  • (1st picture): y=2x+3 and y=x+5
  • (2nd picture): y=4x+2 and y =3x+2
  • (3rd picture): y=2x+1 and y =x+2
  • (4th picture): 3x and x+3

Learn more about equations  from

brainly.com/question/2972832

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1 year ago
A Rectangular Room has a length of 3 more than its width. The perimeter of the room is 90. What is the width of the room?
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The answer to your question is 21
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5x and -8x are like terms. 6 is not a variable. 5 is the coefficient of the term 5x. X is not the constant.

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Step-by-step explanation:

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Deniz had a full gallon of milk. She poured out 444 cups of milk. There are 161616 cups in 111 gallon. About what percent of the
Svetlanka [38]
75% of the gallon of milk is left

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12/16=3/4=0.75

7 0
3 years ago
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