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2 years ago

Round 25.000 to the nearest ten thousand.

Mathematics

2 answers:

Yanka [14]2 years ago

6 0

Answer:

30,000

Step-by-step explanation:

Inga [223]2 years ago

6 0

Answer:

30000

Step-by-step explanation:

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The population of a city has decreased by 38% since it was last measured. If the current population is 27,900, what what the pre

Varvara68 [4.7K]

Answer:

The population of a city has decreased by 38% since it was last measured. If the current population is 27,900 .Previous population of city was 45000.

Solution:

Given that current population of city is 27900.

Also, population of a city has decreased by 38% since it was last measured.

Let assume that population of city when it was last measured = x

Decreased of 38% means x-38% of x . we can write this as,

$=x-\frac{38}{100} \times x$

$=\frac{100 x-38 x}{100}$

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So current population is $\frac{31 x}{50}$

Equating above expression to the given value of current population, we get

$\frac{31 x}{50}=27900$

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x=45000

Hence previous population of city was 45000.

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3 years ago

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Determine whether the ratios are equivalent. 3:8 and 9: 24. are they equivalent or not?

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Answer:

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