speed = distance / time = 100 m / 50 s = 2 m/sec
Juan average speed is 2 m / sec
Answer:
19
Step-by-step explanation:
15z-14z=12+7
z=19
Answer:
first answer is correct
Step-by-step explanation:
Hello, we want to write 2 + 4 + 6 + ... + 20
for n = 1, 2n = 2*1 =2
for n = 2, 2n = 2*2=4
for n = 3, 2n=2*3=6
etc
so

thanks