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andre [41]
3 years ago
10

31/4+21/2 answer please

Mathematics
2 answers:
yan [13]3 years ago
7 0

Answer:

\frac{73}{4}

or

=18\frac{1}{4}

Step-by-step explanation:

31/4+21/2

=\frac{31*1+21*2}{4}

=\frac{31+42}{4}

=\frac{73}{4}

=18\frac{1}{4}

Alina [70]3 years ago
4 0

Answer: 73/4

Step-by-step explanation:

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The given lines are perpendicular

Step-by-step explanation:

if Two lines are perpendicular then their slopes are

mm_{1}=-\frac{1}{m_{2}}

Where m₁ is slope of first line and m₂ is the slope of second line.

Since the lines are in slope-point form the standard form is:

y=mx+b

where m is the slope

The slope of first line y= -9/5x + 1/5 is: m₁ = -9/5

The slope of second line y= 5/9x + 2/9 is: m₂= 5/9

So,  mm_{1}=-\frac{1}{m_{2}} i.e -\frac{9}{5}=\frac{5}{9}

So, The given lines are perpendicular

Keywords: Perpendicular lines, slope

Learn more about Perpendicular lines at:

  • brainly.com/question/6436086
  • brainly.com/question/12954015
  • brainly.com/question/1979240

#learnwithBrainly

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3 years ago
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mylen [45]
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Step-by-step explanation:

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Troyanec [42]

Answer:

x = w + v - k

Step-by-step explanation:

For this question, we would have to solve for the variable x.

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3 years ago
Quick need answer!!!!!!
xxTIMURxx [149]

Answer:

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