1- Suppose a man\'s scalp hair grows at a rate of 0.42 mm per day. What is this

Question

1- Suppose a man's scalp hair grows at a rate of 0.42 mm per day. What is this growth rate in feet per week?

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Two bicyclists, starting at the same place, are riding toward the same campground by two different routes. One cyclist rides 1440 m due east and then turns due north and travels another 1430 m before reaching the campground. The second cyclist starts out by heading due north for 1930 m and then turns and heads directly toward the campground.

(a) At the turning point, how far is the second cyclist from the campground?
m

(b) In what direction (measured relative to due east) must the second cyclist head during the last part of the trip?

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Explanation / Answer

here,

growth of hair , G = 0.42 mm per day

G = 0.42 * 7 * 0.0032 feet per week

G = 9.41 * 10^-3 feet per week

Man's scalp hair growth rate is 9.41 * 10^-3 feet per week

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