(5-9)^2 - [5-9]
=(-4)^2 - [-4]
=(16) + 4
=20
(two negatives=positive)
Answer:
All numbers x such that x > 26
Step-by-step explanation:
W - 10 ≤ 16
W ≤ 16 + 10
W ≤ 26
The numbers that are not part of the solution are all numbers x such that x > 26
as you should already know to get the inverse of any expression, we start off by doing a <u>quick switcheroo</u> on the variables, and then solve for "y".
![\bf \stackrel{f(x)}{y} = \cfrac{x}{x-1}\implies \stackrel{switcheroo}{x=\cfrac{y}{y-1}}\implies x(y-1)=y\implies xy-x=y \\\\\\ -x=y-xy\implies -x=\stackrel{\textit{common factor}}{y(1-x)}\implies \cfrac{-x}{1-x}=y \\\\\\ \cfrac{x}{-(1-x)}=y\implies \cfrac{x}{x-1}=\stackrel{f^{-1}(x)}{y}](https://tex.z-dn.net/?f=%5Cbf%20%5Cstackrel%7Bf%28x%29%7D%7By%7D%20%3D%20%5Ccfrac%7Bx%7D%7Bx-1%7D%5Cimplies%20%5Cstackrel%7Bswitcheroo%7D%7Bx%3D%5Ccfrac%7By%7D%7By-1%7D%7D%5Cimplies%20x%28y-1%29%3Dy%5Cimplies%20xy-x%3Dy%20%5C%5C%5C%5C%5C%5C%20-x%3Dy-xy%5Cimplies%20-x%3D%5Cstackrel%7B%5Ctextit%7Bcommon%20factor%7D%7D%7By%281-x%29%7D%5Cimplies%20%5Ccfrac%7B-x%7D%7B1-x%7D%3Dy%20%5C%5C%5C%5C%5C%5C%20%5Ccfrac%7Bx%7D%7B-%281-x%29%7D%3Dy%5Cimplies%20%5Ccfrac%7Bx%7D%7Bx-1%7D%3D%5Cstackrel%7Bf%5E%7B-1%7D%28x%29%7D%7By%7D)
Answer:
18 square units
Step-by-step explanation:
By counting grid squares or finding the difference of horizontal and vertical coordinates, you can determine that the rectangle is 2 units wide by 9 units tall. The area is the product of these dimensions:
A = LW = (9 units)(2 units) = 18 units^2
Answer:
c = 10
Step-by-step explanation:
8² + 6² = c²
64 + 36 = c
64 + 36 = 100
= 10
Hope this helps :)