3 years ago

Convertir estos números de kilometros a porcentajes:

Mathematics

1 answer:

torisob [31]3 years ago

8 0

Answer:

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Step-by-step explanation:

i do not understand I have to put more than 20 characters

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Show your work<br> −126 = 14k

Yuliya22 [10]

Answer: k = -9

Step-by-step explanation:

-126 = 14k

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

14 14

-126 divided by 14 = -9

k = -9

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A tennis ball travels at speed of 120 miles per hour.convert this rate to feet per second

Vanyuwa [196]

$120\frac{mile}{hour}\\\\
1 \ mile=5280\ feet\\
1\ hour=3600\ seconds\\\\
120\frac{mile}{hour}=120*\frac{5280}{3600}=\frac{120*5280}{3600}=\frac{633600}{3600}=176\frac{feet}{second}\\\\
\boxed{120\frac{mile}{hour}=176\frac{feet}{second}}$

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