Answer:
What is the question?
Step-by-step explanation:
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Answer: 12
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Step-by-step explanation:
Using the relation between velocity, distance and time, it is found that he traveled 281.25 km by bus and 1618.75 km by plane.
<h3>What is the
relation between velocity, distance and time?</h3>
Velocity is distance divided by time, that is:
In this problem, first he traveled a distance of d km by bus, with an average speed of 60 km/h and a time of t, hence:
Then, by plane, he traveled a distance of 1900 - d km, with an average speed of 700 km/h and a time of 7 - t, hence:
Since d = 60t, we have that:
Hence:
d = 60t = 60 x 4.6875 = 281.25 km
1900 - d = 1900 - 281.25 = 1618.75 km
He traveled 281.25 km by bus and 1618.75 km by plane.
More can be learned about the relation between velocity, distance and time at brainly.com/question/24316569
Before we calculate we can use some common sence thinknig to narrow down the choices. We know that Robert is gonig DOWN the hill, so it doesnt make sence that he woudl have a positive rate of change (i.e. the number feet up the hill he is is decreasing, not increasing) So right away, A & B are clearly wrong.
If we look at the last two (C & D) we can see that if -460 were right after 10 minutes he would have walked down 4,600 feet. This is WAY more that the total height of the hill and so can't be correct.
So C must be correct.
We can check this with some simple math:
Answer:
F
Step-by-step explanation:
if you put 6 red apples and 7 green apples in each basket then you will have 6 identical baskets of 6 red apples and 7 green apples.