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Sergeeva-Olga [200]
3 years ago
15

Write the decimal expansion for seven ninths

Mathematics
2 answers:
Korolek [52]3 years ago
7 0
0.7777777 is the answer I got
AysviL [449]3 years ago
6 0

Answer:

On my calculator it appears as 0.7 recurring

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What is the value of X in the equation 3X (-1) / 9Y equals 18 when Y equal 27
iren [92.7K]

Answer:

The value of X in the equation 3X (-1) / 9Y equals 18 when Y equal 27 is 1458.33

Step-by-step explanation:

\frac{3X - 1}{9 Y} = 18 is a polinomial equation A

if the value of Y = 27

put this value of Y in the equation A

\frac{3 X -1}{9 \times 27} = 18

\frac{3 X -1}{243} = 18

243 will be taken to right hand side and as per rule will be multiplied by 18

3X-1= 18\times 243\\

3X-1= 4374

1 will be taken to right hand side and added as per rule

3 X = 4374+1\\3X= 4375

3 wil be taken on right hand side and divided as per rule

X= \frac{4375}{3} \\X= 1458.33

So the value of X if Y = 27 is 1458.33

Keywords:  Algebra

Learn more about Algebra at:

  • brainly.com/question/10710410
  • brainly.com/question/10708697

#learnwithBrainly

6 0
3 years ago
The length of a rectangle is 5 times it’s width the perimeter is 84 feet. What is your the area
Dominik [7]

Answer:

980 feet

Step-by-step explanation:

Because the length is 5 times the width, you can write it as 5x with x as the width. Then you can set it up as 5x + x = 84 for l + w = p, and solve for x. You'll find that x is 14, and 14 times 5 is 70, so you would multiply 70 by 14 to get 980.

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3 years ago
Describe the symmetry of these functions.
sertanlavr [38]

Answer:

line symmetry & rotational symmetry

Step-by-step explanation:

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Will mark brainliest. Please show work​
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Answer: 1.17647058

65 divided by 55.25

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