Perpendicular = opposite sign and reciprocal
The slope of perpendicular line would be -2
Equation y= -2x
Maria is wrong because they have completed 1/2.
Step-by-step explanation:
At the top of the Ferris wheel,the ride is 1/2 done. All that is left is to go down,which is the other half. Maria is wrong in saying they are 1/4 done,that is a quarter,not half.
Well there is 1000ml in 1l
10x10=100x100=1000
So you need to 10x100=1000
So it is 100 groups of 10