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svet-max [94.6K]
2 years ago
13

David can type a 50-page paper in 8 hours. Last month, David and Andy together typed a

Mathematics
1 answer:
erik [133]2 years ago
3 0

Answer:

12.5pages

Step-by-step explanation:

50pages ×6hours=300 and then we divide by 8 to get 37.5(the number of pages printed by david in 6 hours)

subtract 37.5 from 50 to find the number of pages printed by andy

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vovikov84 [41]

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2/3

Step-by-step explanation:

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Becky tried to evaluate an expreisson step by step
NNADVOKAT [17]

Answer:

step 2

Step-by-step explanation:

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this is wrong, as we have to make common denominators first:

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6 0
2 years ago
A rectangular box 4 meters long, 3 meters wide and 2 meters tall. On the box is a cat, and the box is floating in water such tha
Vikentia [17]

Answer:

Mass of the cat  = 16800kg

Step-by-step explanation:

The volume of the box = its length * its breath * its height- 4m × 3m × 2m = 24m^{3}

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By Archimedes principle, the mass of a body  floating body is equivalent to the mass of the volume liquid displaced

in this case we have

Mass of water displaced = Density of the water × Volume of the water  displaced =   1000 Kg/m^{3} × 24m^{3} = 24000kg

The mass of the box = Box density × Box volume = 24m^{3} × 300kg/m^{3} = 7200 kg Hence the mass of water displaced = mass of the foating box + mass of th cat

24000kg =  mass of cat +7200kg

mass of cat = 24000kg - 7200kg = 16800kg

8 0
3 years ago
You owe the bank $2.50. You plan to
aalyn [17]

Answer:

3.36

Explanation:

1.12x3=3.36

I hope it's helpful

3 0
2 years ago
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