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Natalka [10]
3 years ago
13

Are those correct? Pls 21 POINTS!!!

Mathematics
1 answer:
Flura [38]3 years ago
7 0

Answer:

question 5 is supposed to be: A) Equation

and question 4 is right :D

Step-by-step explanation:

Hope this helps :)

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What is the slope of this line?
Alex

The answer is 2/5. (or 0.4 if you need a decimal answer.)

6 0
4 years ago
Read 2 more answers
List the elements C={7n|n belongs to N, n<5}
Oksanka [162]

Answer:

C =  \{0,7,14,21,28\}

Step-by-step explanation:

Given

C \{7n: n < 5\}

Required

List the elements

Assume that n is not negative, the values of n are:

n = \{0,1,2,3,4\}

So, the values of C is:

C = 7 * n

C = 7 * \{0,1,2,3,4\}

Multiply each set element by 7

C =  \{7 *0,7 *1,7 *2,7 *3,7 *4\}

C =  \{0,7,14,21,28\}

5 0
3 years ago
Fourteen boys and 21 girls will be equally divided into groups. Find the greatest number of groups that can be created if no one
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Answer:

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4 0
3 years ago
Which function has a domain of x 25 and a range of y s3?
ratelena [41]

Answer:

y = - \sqrt{x - 5} + 3

Step-by-step explanation:

The function y = - \sqrt{x - 5} + 3 has a domain x ≥ 5.

This is because the function remains real for (x - 5) ≥ 0 as negative within the square root is imaginary.

Hence, (x - 5) ≥ 0

⇒ x ≥ 5

Now, for all x values that are greater than equal to 5 the value of - \sqrt{x - 5} will be negative.

So, - \sqrt{x - 5} \leq  0

⇒ - \sqrt{x - 5} + 3 \leq  3

⇒ y ≤ 3

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5 0
3 years ago
The purpose of statstical inference is to provide information about
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Answer:

The purpose of statistical inference is to provide information about the population based upon information contained in the sample.

Step-by-step explanation:

population based upon information contained in the sample

Step-by-step explanation:

Statistical inference is the process of using data analytics to deduce proprierties of an underlying probability distribution.

For example, if I want to know the percentage of Buffalo Bills fans that are from Canada. There is no way I can ask this question to every Bills fan(every Bills fan is the population). What I can do, for example, is go to a game and ask some of the fans there, that is, of a sample.

6 0
3 years ago
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