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LekaFEV [45]
3 years ago
14

Cube root Of the mixed fraction -3 4/9

Mathematics
1 answer:
Gre4nikov [31]3 years ago
8 0
To take a root of a fraction, take the root of the numerator and denominator separately

Write the number in exponential form with a base of 2 to the second power

Write the number in exponential form with a base of 3 to the third power

Reduce the index of the radical and exponent with2

Reduce the index of the radical and exponent with 2

Then it’s gonna be 2/3 2over3
-3 2/3

Reduce the numbers with greatest common divisor 3
Then the answer will be -2
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An you help me now with these |x + 2| + 16 = 1 i need help :( |2x + 6| − 4 = 20 nd help solving
krok68 [10]
|x + 2| + 16 = 1
<u>           - 16  - 16</u>
        |x + 2| = -15
         x + 2 = -15    U    x + 2 = 15
         <u>    - 2     - 2</u>          <u>    - 2    - 2</u>
               x = -17                 x = 13

|2x + 6| - 4 = 20
<u>            + 4   + 4</u>
     |2x + 6| = 24
      2x + 6 = 24    U    2x + 6 = -24
      <u>     - 6    - 6</u>           <u>     - 6      - 6</u>
            <u>2x</u> = <u>18</u>                 <u>2x</u> = <u>-30</u>
             2      2                   2       2
              x = 9                     x = -15
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3 years ago
College alcohol and drug use: In a Washington Post/Kaiser Family Foundation poll conducted from January through March 2015, 56%
jolli1 [7]

Answer:

d. We are 95% confident that the proportion of adults (ages 17-26) who attended college is between 53% and 59%.

Step-by-step explanation:

Confidence interval of a proportion p.

We build a confidence interval at the x% level from a sample.

With this, we can say that we are x% sure that the true population propotion is in the interval.

The 95% confidence interval is (0.53, 0.59).

This means that we are 95% sure that the true population proportion is between 0.53 and 0.59.

So the correct answer is:

d. We are 95% confident that the proportion of adults (ages 17-26) who attended college is between 53% and 59%.

7 0
3 years ago
Solve using elimination.<br> 5x - 4y = -10<br> 5x - 5y = -5
jolli1 [7]

Answer:

(x,y) = (-6,-5)

Step-by-step explanation:

If you need the explanation let me know.

4 0
3 years ago
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PLS HELP ASAP URGENT!!!
tresset_1 [31]

Answer:

Step-by-step explanation:

4cm

6 0
3 years ago
Celebrity A has 400 followers on social media but gains 25 followers each day, Celebrity B has 1,000 followers but is loosing 25
Alenkasestr [34]

Answer:

12 Days.

Step-by-step explanation:

12×25=300

400+300=700

1000-300=700

7 0
3 years ago
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