Answer:
-24
Step-by-step explanation:
you add them like you would in addition but since they are both negative you keep the sign, making it -24
100 * 1000 : 60 : 60 = 27.77 m/s
X + 3x + 4x = 56
8x = 56
x = 7
The shortest piece is 7 inches
The middle piece is 7*3 = 21 inches.
The longest piece is 4*7 = 28 inches
Check
7 + 21 + 28 = 56 It does check and the lengths are correct.
i think this question answer is 734.76cm^3
