that is true if that's 1/3n=7/12
if it's 1/3n-7/12 then the first step is to equal it to zero
Step-by-step explanation:
1) 7x+3y=19
2)2x-7y=12
3) x=5, y=0
4) x=15/2, y=(-63/4)
5) x=9, y=92
6) x=(-2) , y=(-9)
7) x=5, y=(-2)
8) x=2, y=2
Answer: 30.6
Step-by-step explanation: she worked 30.6 hours be cause if you think 36 of 15% it is 30.6 hours she worked
Answer:
68
Step-by-step explanation:
1) Find the interior angle using relations of angles in straight line I.e ( sum of angles in a straight line is 180 ) and we know the sum of all the interior angle of quadrilateral is 360 degree .
2) Solve further for x.
