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nikklg [1K]
4 years ago
10

If a runner covers 400 meters in 50 seconds, what is the runners average speed? What if the runner takes 60 seconds to cover the

same distance?
Mathematics
2 answers:
weqwewe [10]4 years ago
7 0
400/50 = 8 m/s;
400/60 = 6,(3) m/s;
Crank4 years ago
7 0

Answer:

400/50 = 8 m/s 400/60 = 6,(3) m/s

Step-by-step explanation:

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Suppose that r varies directly with s and inversely with t, and r = 2 when s = 3 and t = 12. What is the value of r when s = 5 a
Dmitry_Shevchenko [17]
The statement suppose <span>that r varies directly with s and inversely with t is best represented as:

r </span>α s/t

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r = ks/t

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</span>
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