2x+y>-4, 2*5-12=10-12= - 2, -2 > -4 (5, -12) matched, 2*0 + 1= 1> - 4, (0,1) matched, 2*-1 + (-1) = -3 > -4, (-1,-1) matched, the solutions are (5, -12) , (0,1) and (-1,-1), if the question is 2x+y>-4,
64x2.40 = 153.6
64x1.90 = 121.6
add 153.6 to 121.6
275.2
Answer:
blue marble 12/50. tails 20/50
Step-by-step explanation:
12/50×20/50 =240/2500= 12/125 =9.6%
perimeter = sum of all sides
27 = 9+7.8+x
x (third side) = 10.2
Hopefully this helps you !