Answer:
true
Step-by-step explanation:

* substitute 30 for x *

we're left with 15 < 20 which is true
Answer:
0.375
Step-by-step explanation:
1 > 8
x > 3
x=(3×1)÷8 = 0.375
V=s/t
s=300 km = 300000 m
t=1 h and 30 min = 5400 sec
v=300/1,5= 200 km/h
or
v=300000/5400=55,5 m/s
Answer:
x = 19.42
Step-by-step explanation:
8²+x²=21²
64+x²=441
-64 -64
x²=377
x=19.41648784
rounded is 19.42
If cats like playing with mice then they will chase them