C90,2) - Not a right triangle
C(3,-1) - is a right triangle ( its slope is a negative inverse )
C(0,4) - is a right triangle ( its slope is a negative inverse )
Answer:
13
Step-by-step explanation:
4/87 is around 0.046
13+0.046=13.046
13.046 to the nearest half is 13
Answer:
-3
Step-by-step explanation:
start by opening the brackets 4(4x+1)=(3x-46-x)+8
16x+4=3x-46-x+8 then put like terms together =
16x-3x+x=-46+8-4
14x=-42 divide all over by 14
=-3
Answer:
426 chickens
Step-by-step explanation:
let the pigs = x
the ducks = 2×x = 2x
the chickens = 3×(2x) = 6x
x +2x +6x = 639
9x=639
x = 639/9 = 71
the chickens = 6x = 6×71 = 426
-1.38. Say thank you, UR WELCome