10040816
05.10.2020 •
Mathematics
Which of the following conditional statements and its converse form a true biconditional?
If x <0, then x >0.
If x = 15, then 3x - 4 = 41.
If x3 = 2, then x = 8
If x =5, then x2 = 25.
Select all that apply.
A. If x = 5, then x2 = 25.
B. If x <0, then x >0.
C. If x3 = 2, then x = 8.
D. If x = 15, then 3x - 4 = 41.
E. None of the above.
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Ответ:
For this case we have the following equation:
We must clear the value of the variable "x" as a function of r, s and t:
If we multiply by "r" on both sides of the equation we have:
If we subtract "t" on both sides of the equation we have:
If we divide by "2" on both sides of the equation we have:
Thus, the value of the variable "x" is: