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denis-greek [22]
2 years ago
10

PLEASE HELP WILL MARK BRAINLIST

Mathematics
1 answer:
Gelneren [198K]2 years ago
3 0

Answer:

23

Step-by-step explanation: i took it

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Pls help will mark brainliest !
melamori03 [73]

Answer:

third and fourth one.

Not sure tho

7 0
2 years ago
Solve (x - 3)^2 = 5 p<br><br> please help
wel

Hello!

Let's solve !

⇒ (x - 3)² = 5

⇒ x² - 6x + 9 = 5

⇒ x² - 6x + 4 = 0

⇒ x = -(-6) ± √36 - 4(1)(4) / 2

⇒ x = 6 ± √20 / 2 = 6 ± 2√5 / 2

⇒ x = 3 ± √5

∴ The solutions are x = 3 + √5 and x = 3 - √5.

3 0
2 years ago
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How many repeating digits are in 0.536? ​
Shkiper50 [21]

Answer:

4

Step-by-step explanation:

8 0
3 years ago
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The difference between the value of the sample statistic and the value of the corresponding population parameter is called the _
mel-nik [20]

Answer: c. sampling error

Step-by-step explanation:

  • A population parameter is a number that is evaluated to describe the whole population . For example : Population mean , Population standard deviation etc.
  • A sample statistic gives the estimate value of the population parameter. For example : Sample mean , sample proportion.

Since, the sample is a subset of population , so there are chances for unavoidable variation in sample mean from the population mean that varies from sample to sample .

This variation is known as sampling error.

∴ The difference between the value of the sample statistic and the value of the corresponding population parameter is called the sampling error .

Hence,the correct answer is c. sampling error .

7 0
3 years ago
Which expression is equivalent to (9x2y6)−1/2?
galben [10]

Answer:

B.  1/(3xy^3)

Step-by-step explanation:

The minus sign can be dealt with first, then the root taken.

\left(9x^{2}y^{6}\right)^{-\frac{1}{2}}=\dfrac{1}{\sqrt{9x^{2}y^{6}}}\\\\=\dfrac{1}{\sqrt{9}\sqrt{x^2}\sqrt{y^6}}=\dfrac{1}{3xy^3}

8 0
3 years ago
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