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pychu [463]
3 years ago
9

A city has 5 houses for every 8 old houses. If there are 35 new houses in the city, how many old houses are there?

Mathematics
1 answer:
yanalaym [24]3 years ago
8 0

Answer:

56 old houses

Step-by-step explanation:

For every 8 old houses there are 5, so there are 3 more.

For this reason, if there are 35 houses, it means that there are 5 times the houses.

So if we multiply 3 by 5 (which is the difference between old and new houses) it would give 21, which when adding it to 35 gives 56

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Answer:

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Step-by-step explanation:

if you think of this as a right angled triangle, you are trying to work out the hypotenuse (longest side)

the formula is a^{2} + b^{2} = c^{2}

so, 5^{2} + 12^{2} = 169

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\sqrt{169} = 13 miles

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zmey [24]

Answer:

99.8% probability of at least one failure.

Step-by-step explanation:

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In which C_{n,x} is the number of different combinations of x objects from a set of n elements, given by the following formula.

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And p is the probability of X happening.

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This means that n = 5

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In which

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3 years ago
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Answer:

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