Answer:
The traditional scale consists of two plates or bowls suspended at equal distances from a fulcrum. One plate holds an object of unknown mass (or weight), while known masses are added to the other plate until static equilibrium is achieved and the plates level off, which happens when the masses on the two plates are equal. The perfect scale rests at neutral. A
Answer:
140 kilometers in 7 weeks
Step-by-step explanation:
20 km x 7= 140 km
Answer:
150
Step-by-step explanation:
-(-4)^2 + 7(-2)^4 - 2(-3)^3
-16 + 112 - 2(-27)
; -16 + 112 + 54
;150