Answer: 2
Step-by-step explanation:
Answer: Total distance travelled is 510 km
Step-by-step explanation:
it is given that an automobile travels for
2 hours at 80km/h
3 hours at 110km/h
30 min at 40km/h
to find distance=x(let)
since
distance = speed * time
so
x= 80*2 +110*3 +40*(1/2) [since 1 hour =60 min so 30 min =1/2 hour]
x=160+330+20
x=510
hence total distance travelled is 510 km
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Answer:
sequence is not arithmetic
Step-by-step explanation:
Given:
8,5, 3, 2,
above is not arithmetic sequence
As there is constant difference in consecutive terms in a an arithmetic sequence given by:
d=an- an-1
where
d is common difference
an=nth term
an-1=nth - 1 term
Given sequence
8,5, 3, 2,
d=5-8 = -3
d-3-5=-2
as the difference is not common above sequence is not arithmetic!
Answer: 10
Step-by-step explanation: 5 times 2
