Answer is
-4 ≠ -18
The slash across the equal sign changes it to a not equal sign
Answer:
-9 or negative 9
Step-by-step explanation:
The opposite of negative 9 is positive 9.
The opposite of <em>that</em> is negative 9.
That's pretty much a tricky question though
Answer:
0
Step-by-step explanation:
cos(60) = ½
sec(60) = 2
sin(30) = ½
cosec(30) = 2
sin(0) = 0
2 - 2 - 0 = 0
Answer:
or
Step-by-step explanation:
Given
Required
Determine the probability of selecting Black and Red
First, we need to calculate the number of red and black balls
The probability is calculated as thus:
Convert to mathematical expressions
Solve for each probaility;
So, we have:
or