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Lisa [10]
3 years ago
8

Traduce el enunciado a expresión algebraica La suma de dos números pares consecutivos

Mathematics
1 answer:
garri49 [273]3 years ago
7 0

Answer:

The answer is "Expression: x+(x+2)".

Step-by-step explanation:

Given:

The sum of two consecutive even numbers

Proving:

Let,

The First number is = x

The second consecutive number is = x+2

Calculating value by adding value:

Expression:

\Rightarrow x+(x+2)\\\\

when x= 1, 2, 3 .... it gives:

\Rightarrow  1+(1+2)= 1+3=4\\\\\Rightarrow  2+(2+2)= 2+4=6\\\\\Rightarrow  3+(3+2)= 3+5=8\\

That's why the sum of consecutive numbers is even.

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Between the 4 and the 7 is it a multiplication or an X?

If the multiplication sign, this is the solution

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8 0
2 years ago
Find the population variance of: 4 6 8 9 9 <br><br> round to the nearest hundredth
soldi70 [24.7K]

Answer:

Step-by-step explanation:

To find the population variance, we first need the mean:

\bar{x}=\frac{4+6+8+9+9}{5}=\frac{36}{5}=7.2 so the mean is 7.2. To find the population variance (which is almost exactly the same as the sample variance except for a small difference in the denominators of the formula) we have to take each number minus the mean, and then square the difference. Add together all these squared numbers and then divide by the number of numbers. Like this:

(4-7.2)^2=10.24\\(6-7.2)^2=1.44\\(8-7.2)^2=.64\\(9-7.2)^2=3.24\\(9-7.2)^2=3.24

Add together those numbers and divide them by 5:

\sigma=\frac{10.24+1.44+.64+3.24+3.24}{5}=\frac{18.8}{5}=3.76

5 0
2 years ago
Simplify <br> Rewrite the expression in the form z^n<br><br> z^5•z^6= ______
gtnhenbr [62]

Answer:

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Step-by-step explanation:

This is it enjoy.

4 0
3 years ago
Which of the following is a quadratic function?
Gala2k [10]

Answer:

A

Step-by-step explanation:

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