That no matter what if you feel good about yourself you do better at what your doing. Hope I helped!
Answer:
x =
± 
Step-by-step explanation:
Given
x² - 7x + 9 = 0 ( subtract 9 from both sides )
x² - 7x = - 9
Solve using the method of completing the square
add ( half the coefficient of the x- term)² to both sides
x² + 2( -
)x +
= - 9 +
(x -
)² =
( take the square root of both sides )
x -
= ±
= ±
( add
x =
±
= 
Answer:
see below
Step-by-step explanation:
The circumference of a circle is given by
C = 2*pi*r
C = 2* pi *3
C = 6 pi
The value depends on whether you use 3.14 for pi or the pi button
3.14 = 18.84
pi button 18.85
Answer:
$150
Step-by-step explanation:
5/(4+5) * 270 = 150
Four times a number would equal 4n