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Nookie1986 [14]
3 years ago
15

Alice wants to buy some paper towels. She has two options. She can either buy a package of four rolls or she can buy one roll no

w and buy another when she runs out. Which of these options is better? Give reasons for your answer.
Mathematics
1 answer:
mart [117]3 years ago
6 0
The 4 pack is better because it can save a trip back to the store
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City A is due north of City B. Find the distance between City A ​(36 degrees 6 prime36°6′ north​ latitude) and City B ​(21 degre
vitfil [10]

Answer:

distance = 994.75 miles

Step-by-step explanation:

given data

City A = 36°6′ = 36° + \frac{6}{60} = 36.1° = 36.1° × \frac{\pi}{180} = 0.6297 rad

City B = 21°42′ = 21° + \frac{42}{60} = 21.7° = 21.7° × \frac{\pi}{180} = 0.3785 rad

multiply by π/180 to convert the degree to radian

radius of Earth = 3960 miles

to find out

distance between City A and City B

solution

we first get here central angle between A and B city is

central angle between A and B city = 0.6297 rad - 0.3785 rad

and

now by arc length so  we get distance

distance = 3960 miles × (0.6297 rad - 0.3785 rad )

distance = 994.75 miles

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3 years ago
Sanjay can travel 342 miles in 6 hours. At this rate, how many miles can he travel in 5 hours?
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Answer:

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Step-by-step explanation:

342 divided by 5 equals 57 miles

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Write Y=4/5 x+8 in standard form using intergers
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Answer:

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Step-by-step explanation:

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