Answer:
x-9
Step-by-step explanation:
-3(x+3)+4x
-3x-9+4x
-3x+4x-9
x-9
Answer:
distance travelled by sprinter = 100 m
Time taken = 11.21sec
∵speed = distance/time taken
= 100/9.83
= 10.17 m/s
Now we know, 1 km/h = 1000/3600 m/s
so, 1 m/s = 3600/1000 km/h = 18/5 km/h
∴ 10.17 m/s = 10.17 × 18/5 = 10.17 × 18/5 = 36.612 km/h
Hence, average speed = 36.612 km/h
Step-by-step explanation:
Answer:
umm help with what
Step-by-step explanation:
Answer:
the answer is 22 hope this helps
Step-by-step explanation:
7(-7)= -49
-49+149=100
100-56=44
44/2=22
4a+3b-(-2a-3b)
=4a+3b+2a+3b
=6a+6b
=6(a+b)
