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MrRa [10]
3 years ago
15

What is the average speed that robin mus drive to reach her friend's house 170 miles away in 2 1/2 hr

Mathematics
2 answers:
galina1969 [7]3 years ago
7 0

v = d \div t
v = (170  \: mi \times 1.609 \: km) \div 2.5 \: hrs
v = 273.53 \:  km \div 2.5 \: hrs
v = 109.412 \: kmhr - 1
The average speed is 109.412 kilometers per hour.
Tamiku [17]3 years ago
4 0

68 miles / hour

Average speed = distance / time

distance = 170 and time = 5/2 ( as an improper fraction)

speed = 170 ÷ \frac{5}{2} = 170 × \frac{2}{5} = \frac{340}{5} = 68

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Answer for the first dropdown box is CAF and EFH

Answer for the second dropdown box is because they are corresponding angles of parallel lines cut by a transversal

Answer for the third dropdown box is transitive property of congruence

------------------------------------------------------------------------------

Explanation:

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6.a) The equation for the estimation of hip height is h = 5f - 0.5, where h is hip height and f is foot length (in metres). The rate of change of hip height with respect to foot length will be the slope or gradient of this graph, which is 5 (so it is predicted that there is a 5m increase in hip height for each 1m increase in foot length)

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8 0
2 years ago
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