I know the TI-Nspire has DelVar and ClearAZ functions (these delete certain variables and remove all variables A,...Z). I'm pretty sure the TI-83 also has them. For your purposes you would use ClearAZ.
the empty set.
No.
-1.5
(0, -14)
To find the number that plus 150 equals 180, you can set up the equation: x + 150 = 180. By subtracting 150 from both sides, you find that x = 30. Therefore, 30 plus 150 equals 180.
the empty set.
Yes the Calculator Stapler Tape Dispenser SET Clear Crystal is a great gift idea.
-1.5
No.
S = {-5, 1}
(0, -14)
To find the number that plus 150 equals 180, you can set up the equation: x + 150 = 180. By subtracting 150 from both sides, you find that x = 30. Therefore, 30 plus 150 equals 180.
Closure of the set of integers under addition.
0 is the additive identity for the set of numbers.
Domain : set of all reals Range: set of all reals
Simultaneous equations.
Try calculating the sine functions on a scientific calculator, then do the division. And make sure the calculator is set to the correct angular measurement (radians, or degrees, whatever you want to calculate).