Let x2−20x=10 . what values make an equivalent number sentence after completing the square? enter your answers in the boxes. x2−20x+= (whats the answer for the 2 underlines? )

The given expression is

This is of the form

Comparing the equations a=1,b=-20 and c=10.

To complete the square we take half then coefficient of x that is b and square it .This is added to both sides of the equation.

The coefficient of x is 20 .Half of it is 10 .Square of 10 is 100.

This 100 is added to both sides.The equation becomes:

Or

ruth is 6 years old

step-by-step explanation:

6 + 24 = 30,   so 6/30 = .2  

if you do 1/5 it also equals .2, so that is the answer.

22.83 repeating

step-by-step explanation:

137 ÷ 6 is 22.8333333 therefore we understand that 3 is repeating.

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