The simplified version of this is -2.3v-5
105
you do 47+28 which is 75 and then do 180-75 which equals 105
y=-3x+4
x=2y+6
y + 3x =4
-2 + =6
x= 2y +6
y+3.(2y+6)=4
7y = -14
7y=-14
y=-2
y=-2
x=2y+6
x=2(-2)+6=2
solution is {y,x}= {-2,2}
Answer:
P ≥ 1 hour and 40 minuets or 100 minuets
Step-by-step explanation:
The sum of the interior angles is 180°