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3 years ago

Solve using the Distributive Property

Mathematics

1 answer:

diamong [38]3 years ago

5 0

Answer:

6(5)+(2)5

Step-by-step explanation:

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3 years ago

What is square root of 22

zmey [24]

Final Answer: $4.69$

Steps/Reasons/Explanation:

Step 1: You will need to find the perfect square root of a number that is less than $22$ . So $4^{2}$ is $16$ .

Step 2: Write down the square root of $16 = 4$ .

Step 3: Solve $\frac{22 - 16}{4 * 2}$ which is $0.75$ .

Step 4: Add $4 + 0.75 = 4.75$ , so $\sqrt{22}$ is approximately ≈ $4.7$ .

~I hope I helped you :)~

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3 years ago

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kondaur [170]

Answer:

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3 years ago

To which set or sets does the number

Elanso [62]

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3 years ago

Read 2 more answers

1.17 A study of the effects of smoking on sleep patterns is conducted. The measure observed is the time, in minutes, that it tak

bearhunter [10]

Answer:

$\bar X_F=43.7$

$\bar X_{NF}=30.32$

$S_F=16.9278$

$S_{NF}=7.12783$

Attached file

Apparently the practice of smoking reduces the ability to fall asleep, demanding much more time in individuals who smoke, than in those who do not smoke.

Step-by-step explanation:

a, b) For the group of smoking individuals, the average time it takes to fall asleep and the standard deviation of those times is:

$\bar X_F={\frac{1}{n} \sum_{i=1}^n x_i = 43.7$

$S_F=\sqrt{\frac{1}{n-1} \sum_{i=1}^n (x_i-\bar{x})^2}=16.9278$

a, b) For the group of non-smoking individuals, the average time it takes to fall asleep and the standard deviation of those times is:

$\bar X_{NF}={\frac{1}{n} \sum_{i=1}^n x_i = 30.32$

$S_{NF}=\sqrt{\frac{1}{n-1} \sum_{i=1}^n (x_i-\bar{x})^2}=7.12783$

c. In the attached file you can see the diagram of points for the times, in the smoking and non-smoking groups.

d. Apparently the practice of smoking reduces the ability to fall asleep, demanding much more time in individuals who smoke, than in those who do not smoke.

Download pdf

6 0

4 years ago