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Aleksandr-060686 [28]
4 years ago
7

Please helppp! 

Mathematics
1 answer:
Karolina [17]4 years ago
6 0

(a) answer : a,d,e

(b) answer : b)22L=5.8gal

(c) answer : b)25ft/min

1.  Convert meters per second to kilometers per hour,  

1 kilometer = 1000 meters

1 meter = \frac{1}{1000}

1 hour = 60 minutes. it means \frac{60 minutes}{1 hour}

1 minute = 60 seconds. it means \frac{60 seconds}{1 minute}

so \frac{1}{1000} , \frac{60 minutes}{1 hour} and \frac{60 seconds}{1 minute}  are the conversion factors  used.

(2): Convert 22 Liters to gallons

1gal=3.8L

1 litre = \frac{1}{3.8} gallons

22 litre =  22* \frac{1}{3.8} gallons= 5.8 gallons

(3)Convert 5 inches per second to feet per minute.

We know 1 feet = 12 inches  and 1 minute = 60 seconds

1 inches per second = \frac{1}{12} * \frac{60}{1}= 5 feet per minute

5 inches per second  = 5 * 5 = 25 feet per minute








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From the picture attached,

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5 0
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