Very true! Nice work to you, too, Chris!
Check https://web2.0calc.com/questions/help-please_35292
Hope this helped~
Hint:
For this question, multiply one equation so that one variable can be subtracted!
For example, multiply pq+2+q by 2 so that it can be equal to the second equation.
Hope this helped!
A parallel line has to have the same slope!
So, let's just arrange this.
4y=-2x-17 ---Divide each side by 4---
y=-1/2x-17/4
Hence, our slope is -1/2.
Nice, EP!
I like Big Nate!
NIce, CPhill!
Equation:
# of diagnols+9=(9×8)/(2×1)=36.
Therefore, number of diagonals=36–9=27.
Here is a solution: https://artofproblemsolving.com/wiki/index.php/2004_AMC_10A_Problems/Problem_16
