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aliina [53]
3 years ago
14

Dwayne is trying to find the fraction represented by the repeating decimal 0.5. He completes the three steps shown:

Mathematics
2 answers:
dmitriy555 [2]3 years ago
8 0

Answer:

C. 5/9

<h2 />

Step-by-step explanation:

10x = 5.5

<u>   -x = 0.5</u>

9x = 5

x = 5/9

therefore, the answer is C. 5/9

elena-14-01-66 [18.8K]3 years ago
6 0

Answer:

  • C. 5/9

Step-by-step explanation:

<u>Three steps given end with: </u>

  • 9x = 5

<u>The next step is, divide both sides by 9:</u>

  • x = 5/9

<u>Correct answer option:</u>

  • C. 5/9
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3x+4y+z=-2<br> 2y+3z=-8<br> z=-3
masya89 [10]

Answer:

z=-3 so 2y+3(-3)=-8, 2y-9=-8, add 9 to both sides 2y=1 divide both sides by 2, y=1/2, so 3x+4(1/2)+-3=-2, 3x+2-3=-2, 3x-1=-2, add 1 to both sides, 3x=-1, divide both sides by 3, x=-1/3

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2 years ago
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What is the equation of a line that passes through (-2,1) and is parallel to y=3x-4
Rama09 [41]
If a line is parallel to another, the slopes of both lines are the same. So for this problem, you can infer that the slope of the line you're trying to find is 3.

To find the actual equation of the line, you can use the given coordinates and plug them into the point slope form:

y - y1 = m(x - x1)

plug the given y coordinate into y1 and the given x coordinate into x1. m is the slope, so plug in 3 for m.

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3 0
3 years ago
Sal is making bracelets for a fundraiser he uses 6 inches of yarn per bracelet how many bracelets can sal make with 5 feet of ya
4vir4ik [10]

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Step-by-step explanation:

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7 0
3 years ago
Evaluate the expression when m = 63 and n = 45
sesenic [268]

The value of the given expression (3m - n)² + 4m when m = 63 and n = 45 is equal to 20,916.

<h3>What is an expression?</h3>

An expression can be defined as a mathematical equation which is used to show the relationship existing between two or more variables and numerical quantities.

<u>Given the following variables:</u>

  • m = 63.
  • n = 45.

Substituting the given variables into the given expression, we have;

Expression = (3m - n)² + 4m.

Expression = (3(63) - 45)² + 4(45).

Expression = (189 - 45)² + 180

Expression = 144² + 180

Expression = 20,736 + 180

Expression = 20,916.

Read more on expressions here: brainly.com/question/28260012

#SPJ1

Complete Question:

Evaluate the expression when m = 63 and n = 45. (3m - n)² + 4m.

8 0
1 year ago
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