What is the unit rate of 28 miles in 4 hours?
2 answers:
Answer:
7 miles in 1 single hour
Step-by-step explanation:
28 / 4 = 7
21 / 3 = 7
14 / 2 = 7
7 / 1 = 7
Answer: 7 miles per hour
Step-by-step explanation:
This is a fraction equal to 28 miles divided by 4 hours.
We want a unit rate where 1 is in the denominator, so we divide top and bottom by 4.
28 miles ÷ 4
____________
4 hours ÷ 4
= 7 miles
__________
1 hour
=
7 miles
_________
hour
= 7 miles per hour
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Answer:α
=
71
°
:
explain:
From trigonometry we have:
cos
α
=
7
21
7
=
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cos
(
α
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and:
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r
c
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∘
Answer:
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