Answer:
A^-1:B^-1
Step-by-step explanation:
im not 100% sure but i think this is the right answer :)
Answer:
x-60
Step-by-step explanation:
You have to factor out the quadratic.
You know that one of the factors is x-40.
To factor:
Find a number that when added to -40, gives you -100, and also when multiplied, gives you 2400.
That such number is -60.
Add an x before it, and you get (x-60)
Answer:
Please see attached picture for full solution.
Right angle= 90°
The sum of all the angles in a triangle is 180°.
Answer:
115°
Step-by-step explanation:
Supplementary angles equal 180.
180-65=115°