I don’t understand the first part but 1+-5= -4
Answer:
Step-by-step explanation:
The series is missing from the question. I will answer this question with a general explanation by using the following similar series:
Required
The series
To do this, we simply replace n with the values
means n starts from 0 and ends at 6
means the series is a summation series
So, we have:
Answer:
35x + 60y = 690
Why:
We need to correct number to represent X (which is 35) and Y (which is 60).
And 35x + 60y = 690, 690 being the total, fits what we need to answer.
All of the other options display an incorrect number for the X and Y values.
Answer:
x²-9x-1
Step-by-step explanation:
move the -x² in front and get -x²+9x+1
then multiply the whole equation by -1 and get x²-9x-1
I THINK OKAY PLEASE DONE BE MAD
The ratio is 12:28. Or in fraction form it’s 12/28. You can also simplify it to 3/7