I believe it would be the first one
Answer:
5x + 4
Step-by-step explanation:
1/2 (10z + 8)
= 1/2 x 10z + 1/2 x 8
= 5z + 4
Hope this helps!!
Answer:
Step 1: Rewrite the first two columns of the matrix.
Step 2: Multiply diagonally downward and diagonally upward.
Step 3: Add the downward numbers together.
Step 4: Add the upward numbers together.
Step-by-step explanation:
hope this helps ;)
Answer:
For
, d = 7.2
Step-by-step explanation:
Here, the given expression is 
To find the value of the variable d :

or, 
Hence, for
, d = 7.2
Answer:
well when you hear "union" you think 'joined' or 'together' since thats what it means, In a mathmatical set of numbers, union means that both of the sets are necessary for the equation to be true. I'm not sure what the sets are in this problem but in order to get "union" from anything, that means that when you checked for your domains, the values that you got had to be part of both the given sets