Answer:
20 km/h
Step-by-step explanation:
the total time is 0.5 hours as the cyclist travels for 30 minutes
the formula for speed is distance travelled divided by time taken which gives us 20 km/hr
See attachment for math work and answer.
Answer:
should be 140 I guess
Step-by-step explanation:
Answer:
no
Step-by-step explanation:
7^2 x cube root 7
= 7^2 x 7^1/3
= 7^2+1/3
= 7^7/3
