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OleMash [197]
3 years ago
7

The expression 15x + 10 is equivalent to ____. 5(3x + 5) 3(5x + 10) 5(3x + 2)

Mathematics
2 answers:
Shalnov [3]3 years ago
5 0

Answer:

The expression 15x + 10 is equivalent to  5(3x+2)

Step-by-step explanation:

Hello, I think I can help you with this

factorize a polynomial is to break it down into two or more polynomials called factors, so that, by multiplying them, you get the original polynomial

step one

The expression 15x + 10 must be factorized, the common term between 15 and 10 is 5,

take\ each\ term\ and\ divide\ by\ the\ common\ factor\\\\15x+10= 5 ( \frac{15x}{5} +\frac{10}{5} )\\15x+10=5(3x+2)\\

so , the answer is  5(3x+2)

Do not hesitate to ask me any questions you have,Have a fantastic day

Igoryamba3 years ago
3 0

Answer:

5(3X+2)

Step-by-step explanation:

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Heights of adult males are known to have a normal distribution. a researcher claims to have randomly selected adult males and me
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Answer:

The sum of the probabilities is greater than 100%; and the distribution is too uniform to be a normal distribution.

Step-by-step explanation:

The sum of the probabilities of a distribution should be 100%.  When you add the probabilities of this distribution together, you have

22+24+21+26+28 = 46+21+26+28 = 67+26+28 = 93+28 = 121

This is more than 100%, which is a flaw with the results.

A normal distribution is a bell-shaped distribution.  Graphing the probabilities for this distribution, we would have a bar up to 22; a bar to 24; a bar to 21; a bar to 26; and bar to 28.

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3 years ago
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Help please? its an exam
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2 years ago
A circle has an area of 50 square meters what is the diameter
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Solve the problem. A variable x has the possible observations shown below. Possible observations of x: -3 -1 0 1 1 2 4 4 5 Find
svp [43]

Answer:

The z-score corresponding to an observed value of x of 2 is 0.215.

Step-by-step explanation:

We are given that a variable x has the possible observations shown below;

Possible observations of X: -3, -1, 0, 1, 1, 2, 4, 4, 5.

Firstly, we will find the mean and the standard deviation of X, i.e;

Mean of X, (\mu) = \frac{\sum X}{n}

                       =  \frac{(-3)+ (-1)+ 0+ 1+ 1+ 2+ 4+ 4+ 5}{9}  

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Standard deviation of X, (\sigma) =  \sqrt{\frac{\sum (X-\bar X)^{2} }{n-1} }

                            =  \sqrt{\frac{(-3-1.44)^{2}+(-1-1.44)^{2}+......+(4-1.44)^{2}+(5-1.44)^{2} }{9-1} }

                            =  2.603

Now, the z-score corresponding to an observed value of x of 2 is given by;

                  z-score =  \frac{X-\mu}{\sigma}

                               =  \frac{2-1.44}{2.603}  = <u>0.215.</u>        

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3 years ago
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