Answer:
116
Step-by-step explanation:
(difference = subtract)
90 - 36 = 54
adding 62 to 54 = 116
-.1666666666 is the reciprocal of -6
Answer:
44
Step-by-step explanation:
Since is arithmetic, it's given recursively by
where is a fixed number and is the starting term in the sequence. We have
and so on, so that
We're told that , so
and
so that
Then the first term in the sequence is :
and the sequence has general formula
The first negative term occurs for
The first negative term in the sequence is .
Answer:
A and D are equal
Step-by-step explanation:
Given
Required
The equal matrices
First, we simplify the given expressions
Open bracket
Next:
Open bracket
Next:
Divide by 3
Lastly:
Open bracket
By comparison: