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wolverine [178]
3 years ago
15

Which of the following list of values contain rational numbers only ?

Mathematics
1 answer:
AfilCa [17]3 years ago
6 0

9514 1404 393

Answer:

  -√81, (√7)/(√7), 4.16666...

Step-by-step explanation:

The irrational values in the first three choices are ...

  • π
  • √28
  • √50

The values in the last choice, expressed as integers or fractions are ...

  -9, 1, 25/6

The last list is all rational numbers.

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0.4x-0.8(x-4) =1.3x - 1.9<br><br>how do I solve it?​
Oxana [17]

Answer:

x = 3

Step-by-step explanation:

First, multiply all four terms by 10 to eliminate the fractions:

4x - 8(x-4) = 13x - 19

Next, carry out the indicated multiplication, obtaining:

4x - 8x + 32 = 13x - 19

Combining the x terms, we get:

-4x + 32 = 13x - 19, or

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Combining the constants, we get 51 = 17x, and so x = 51/17 = 3.

7 0
3 years ago
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Mariana [72]

Answer:

See below

Step-by-step explanation:

Fraction Decimal

3/20. 15%

19/50. 38%

1/3. 33%

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1/4. 25%

3 0
3 years ago
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CaHeK987 [17]

Answer:

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Step-by-step explanation:

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5 0
3 years ago
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. Suppose that the average score in a statistics test is 84 with a standard deviation
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Step-by-step explanation:

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