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Contact [7]
3 years ago
9

Write the given phrase as an algebraic expression. Use the variable x to represent each unknown number.

Mathematics
1 answer:
svet-max [94.6K]3 years ago
7 0

Answer:

x/3

Step-by-step explanation:

"A number" is an unknown number so represent it with x

"A number divided by 3" is x divided by 3

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A social psychologist predicted that ratings of an individual’s social desirability would be influenced by their physical attrac
marshall27 [118]

Answer:

It is stated in the query that the more attractive the individual, the higher their rank of desirability.

Step-by-step explanation:

This means that we should conclude that the alternative explanation of "higher degree of desire contributes to higher levels of social attractiveness"

In the event of a null hypothesis, we will believe that the degree of attractiveness has no impact on the score of cultural desirability.

(1) Null hypothesis:- The level of attraction does not have an impact on the rating of social desirability.

(2) Alternate hypothesis:- The level of attraction has a positive effect on the ranking of social desirability.

(3) The error of Type I is characterized as the rejection of the true null hypothesis. Therefore, in this case, the type I mistake would be that "the level of attraction has a positive effect on the rating of social desirability while the level of attraction does not have an impact on the rating of social desirability."

(4) The error of type II is characterized as the failure to reject the false null hypothesis. Thus, in this situation, the Type II error would be that "the level of attraction has no impact on the rating of social desirability while the real level of attraction has a positive effect on the rating of social desirability."

(5) We know that the likelihood of having a Form I error is equal to the degree of significance (in percent terms). The significance level, in this case, is 0.05, so the likelihood of making a form I error is 0.05 * 100=5 percent.

Therefore, there is a 5 percent risk of making a Type I mistake.

3 0
3 years ago
Plzzzz help!! If you can thank you so much!
yawa3891 [41]

Answer:

233.5

Step-by-step explanation

5 0
3 years ago
Consider a binomial experiment with n=2 and p=0.6
nalin [4]

Answer:

x=?

Step-by-step explanation:

12xn=20xp

8 0
2 years ago
5. Tom had 321 dollars to spend on 9 books. After buying them he had 15 dollars. How much
Andrew [12]

Answer:

It should be $34

Step-by-step explanation:

321 - 15 = 306 ÷ 9 = 34

8 0
2 years ago
The family of functions y = ce^{-2x} + e^{-x} is solution of the equation y' + 2y = e^{-x}. Find the constant c which defines th
Rufina [12.5K]

Answer:

c = 1190.2

Step-by-step explanation:

We have the following solution:

y(x) = ce^{-2x} + e^{-x}

We want to find the value of x that satisfies the following condition:

y(3) = 3.

This means that when x = 3, y = 3. So

y(x) = ce^{-2x} + e^{-x}

y(3) = ce^{-2*3} + e^{-3}

3 = ce^{-6} + e^{-3}

3 = ce^{-6} + 0.0498

ce^{-6} = 2.9502

c = \frac{2.9502}{e^{-6}}

c = 1190.2

4 0
3 years ago
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