travyse
28.05.2021 •
Mathematics
Which set of values could be the side lengths of a 30-60-90 triangle ?
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Ответ:
12 miles per hour
Showing Work :
This is a fraction equal to
30 miles ÷ 2.5 hours
We want a unit rate where
1 is in the denominator,
so we divide top and bottom by 2.5
30 miles÷ 2.5
2.5 hours÷ 2.5
=
12 miles
1 hour
=
12 miles
hour
= 12 miles per hour