2 years ago

Find the mean(x) of the first ten prime number and hence show that sigma( x1 - x)= 0

1 answer:

8 0

Please see the attached work. I'm assuming that you're familiar with sigma notation (I can explain it if you need that), and as a reminder, x with the line over it indicates the arithmetic mean.

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schepotkina [342]

The solution of given equation is x=2

Further explanation:

In order to solve the given equation we have to isolate the variable x on one side of the equation. The process will involve distributive property and simplification.

Given:

$-2(x-5)=6(2-\frac{1}{2}x)\\Apply\ distributive\ property\\-2x-2(-5)=(6)(2)-(6)(\frac{1}{2}x)\\-2x+10=12-\frac{6}{2}x\\-2x+10=12-3x\\-2x+3x=12-10\\x=2$

The solution of given equation is x=2

Keywords: Linear Equation, Distributive property

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