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3 years ago

14

Kareem lives 4/10of a mile from the mall . write equivalent fractions that show what fraction of a mile karen lives from the mal

l

1 answer:

Slav-nsk [51]3 years ago

6 0

You just have to simplify it by two 2/5 8/20

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Suppose that the populations of the United States and China both increase by 12 million people in one year. What would be the re

Jlenok [28]

Question:

Suppose that the populations of the United States and China both increase by 12 million people in one year. What would be the relative change for each country? Answer to the nearest tenth of a percent (1 decimal place). Make sure that you fill in each answer area before checking "How Did I Do?".

If you assume that the U.S. population is about 300 million, an increase of 12 million would result in a relative change of Number %.

If you assume that China has about 1 billion people, an increase of 12 million would result in a relative change of Number %.

Answer:

The relative change of the United States and China is 4% and 1.2%, respectively.

Step-by-step explanation:

Given

Represent population with p. So, we have:

United States

$\triangle p = 12\ million$

$p_1 =300\ million$

China

$\triangle p = 12\ million$

$p_1 =1\ billion$

Required

Determine the relative change for each country

Relative change, C is calculated as:

$C = \frac{\triangle p}{p} * 100\%$

For United States

$C = \frac{12\ million}{300\ million} * 100\%$

$C = \frac{12}{300} * 100\%$

$C = \frac{12 * 100}{300}\%$

$C = \frac{1200}{300}\%$

$C = 4\%$

For China

$C = \frac{12\ million}{1\ billion} * 100\%$

$C = \frac{12}{1000} * 100\%$

$C = \frac{12* 100}{1000} \%$

$C = \frac{1200}{1000} \%$

$C = 1.2\%$

The relative change of the United States and China is 4% and 1.2%, respectively.

3 0

3 years ago

Determine wether 2(x+3)= 2x+6

wariber [46]

It is.

2(x+3)=2x +6
Times 2
2x + 6 =2x+6

Hope this helped,
-Tiara

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3 years ago

For non zero X and Y if X + Y = 0 then

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Either X or Y is negative. One has to be

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3 years ago

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Tasya [4]

Answer:

-1

Step-by-step explanation:

in numeracy numbers on right hand are bigger than numbers on left hand -1 is bigger than all negative integers. they all fall on the left of -1

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Teddy is rolling a die and writing the number that shows. The collection of the data is with replacement. (True or False)

maks197457 [2]

Answer:

True

Step-by-step explanation:

You can only collect data if you keep rolling the dice each time

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3 years ago