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ehidna [41]
3 years ago
9

a can has 50 marbles in it. Every hour, 7 marbles are taken out.After 4hours, how many marbles are left in the can?

Mathematics
1 answer:
KengaRu [80]3 years ago
5 0
7×4=28

now subtract:

50-28=22

there are 22 marbles left in the can



hope this helped
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An horse gallops 200ft turns and trots 350ft turns again and travels 410ft
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<h3>What is the Heron's formula?</h3>

The Heron's formula is given as;

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where s is half the perimeter of the triangle

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The area of the triangle formed by his path is 34971.98 ft sq to the nearest hundredth.

Learn more about the Heron's formula;

brainly.com/question/20934807

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The complete question is

A horse gallops 200ft, turns and trots 350ft, turns again and travels 410ft to return to the point he started from. What is the area of the triangle formed by his path? round to the nearest hundredth.

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Arisa [49]
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