Answer:
2.88m/s
Step-by-step explanation:
By using the law of conservation of momentum
Initial momentum = final momentum
v = is their combined velocity afterwards
Solving equation (1) for v
V = 2.88 m/s
Therefore the velocity afterward is 2.88 m/s.
Answer:
30%
Step-by-step explanation:
Becuase 6 nickels add up to 30
Answer:
x= 4 and y= 12
Step-by-step explanation:
solve by substitution
hope this helps :D
Answer:
Step-by-step explanation:
x^2 + 7 = 23
x^2 = 16
√x² = √16
x = 4
