Answer:
Step-by-step explanation:
Add 1 and subtract 1, so that the expression won't change.
(a² - b²) = (a+b)(a - b)
Here a = x² - (1/x²) and b = 1
![= [ (x^{2}-\frac{1}{x^{2}})+ 1 ] [ (x^{2} -\frac{1}{x^{2}} - 1 ]](https://tex.z-dn.net/?f=%3D%20%5B%20%28x%5E%7B2%7D-%5Cfrac%7B1%7D%7Bx%5E%7B2%7D%7D%29%2B%201%20%5D%20%5B%20%28x%5E%7B2%7D%20-%5Cfrac%7B1%7D%7Bx%5E%7B2%7D%7D%20-%201%20%5D)
Answer:
22.50
Step-by-step explanation:
3.3*2.5+5.7*2.5=
8.25. +. 14.25=22.50
plz mark me Brainliest
Answer: No
Step-by-step explanation:
If we don't know if the lines are parallel, we cannot conclude the angles are equal.
Answer:
look at the explanation
Step-by-step explanation:
in order to create a f(-2) you would need to know either a table of values or an equation to plug values into . . .saying a function of -2 does not really help, sorry
Step-by-step explanation:
Students Hours
52 8
X 6
So,
52×6=8×x
312=8x
312/8=x
39 Students Answer
