(1/2)^-3=1/(1/2)^3=2^3 (by x-n=1/x^n)
(3/5x)^-1=5x/3
The class will spend 19.32 on bookmarks
$0.84 x 23 = 19.32
Answer:
x= 5
Step-by-step explanation:
Your teacher should have explained it but give me points please
Answer:
(x - 1)² = 0
Step-by-step explanation:
Given
x² - 2x + 1 = 0 ( subtract 1 from both sides )
x² - 2x = - 1
To complete the square
add ( half the coefficient of the x- term )² to both sides
x² + 2(- 1)x + 1 = - 1 + 1
(x - 1)² = 0