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jennifer9983
28.07.2019 •
Mathematics
Aspeed limit of 100 kilometers per hour (kph) is approximately equal to 62 miles per hour (mph). write an equation relating kilometers per hour, k, to miles per hour, m. then predict the following measures. round to the nearest tenth. a) a speed limit in mph for a speed limut of 75 kph b) a speed limit in kph for a speed limit of 20 mph
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Ответ:
75 kmph = 46.5 mph
20 kmph = 12.4 mph
Step-by-step explanation:
100 kilometers per hour = 62 miles per hour
1 kmph = 0.62 mph
k kmph = 0.62k miles per hour
Where k denotes the speed in kmph
a) a speed limit in mph for a speed limit of 75 kph
k kmph = 0.62k
75 kmph =![0.62 \times 75 = 46.5](/tpl/images/0140/8427/da0a0.png)
75 kmph = 46.5 mph
b) a speed limit in kph for a speed limit of 20 mph
k kmph = 0.62k
20 kmph =![0.62 \times 20 = 12.4](/tpl/images/0140/8427/414e0.png)
20 kmph = 12.4 mph
Ответ: