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FinnZ [79.3K]
3 years ago
8

Lauren bikes 1 1/3 miles in 1/1/0 hour. What is her rate of speed in miles per hour?

Mathematics
1 answer:
Amanda [17]3 years ago
3 0

speed = distance / time

1 1/3 = 4/3

so

speed = (4/3) / (1/10)

= (4/3) * 10

= 40/3 mph

or 13 1/3 mph

Hope this helps!

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To set it equal to 0 and solve, we subtract 2500 from both sides:
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2b² - 124b + 1344 = 0

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\frac{--124\pm \sqrt{(-124)^2-4(2)(1344)}}{2(2)}&#10;\\&#10;\\=\frac{124\pm \sqrt{15376-10752}}{4}&#10;\\&#10;\\=\frac{124\pm \sqrt{4624}}{4}=\frac{124\pm 68}{4}=\frac{124+68}{4}\text{ or }\frac{124-68}{4}&#10;\\&#10;\\=\frac{192}{4}\text{ or }\frac{56}{4}=48\text{ or }14

The shorter leg is 14 and the longer one is 48.
8 0
3 years ago
Read 2 more answers
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