akrogers212 akrogers212
  • 11-06-2020
  • Mathematics
contestada

find the constant of proportionality: 84 miles per 4 hours

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wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 11-06-2020

Answer:

k = 21 miles per hour

Step-by-step explanation:

The constant of proportionality is

k = 84/4

k = 21 miles per hour

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Hi1315
Hi1315 Hi1315
  • 11-06-2020

Answer:

[tex]21 \: \: \: miles \: \: \: per \: \: \: hour[/tex]

Step-by-step explanation:

[tex]4 \: \: \: hours = 84 \: \: miles \\ 1 \: \: \: hours = x[/tex]

Use cross multiply

[tex]4x = 84 \\ \frac{4x}{4} = \frac{84}{4} \\ x = 21[/tex]

hope this helps

brainliest appreciated

good luck! have a nice day!

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