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hammer [34]
3 years ago
13

Which formula do you need to convert 77º F into kelvins?

Mathematics
2 answers:
MA_775_DIABLO [31]3 years ago
8 0

K = (y °F – 32) ÷ 1.8 + 273.15 or K = (y °F – 32) x 5/9 + 273.15

maks197457 [2]3 years ago
3 0

first subtract 273.15 then multiply by 1.8 and add 32

so (77-273.15)x1.8+32

(-196.15) x 1.8 + 32

-353.07 + 32

-321.07

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Jim began a 165 mile bicycle trip to build up stamina for a triathlete competition unfortunately his bike chain broke so he fini
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Answer: Approximately 4.7 hours.

Step-by-step explanation:

He rode the bicycle for some time before it broke down and he walked the remaining distance. This means that Jim covered a total of 165 miles by riding at a speed of 35 miles per hour and walking at a speed of 3 miles per hour.

Let x = the distance covered by riding the bicycle.

Let y = the distance covered by walking.

Time = distance /speed

Time he used in riding would be x/35

Time he used in walking would be y/3

Since the entire trip took 7 hours,

x/35 + y/3 = 7

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Total miles covered is 165. Therefore,

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132y = 240

y = 240/132

y = 1.81m

x = 165 - 1.81 = 163.19

Amount of time that he spent on the bicycle will be

x/35 = 163.19/35

= 4.66

Approximately 4.7 hours.

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