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3 years ago

Hi i need help with this

Mathematics

2 answers:

Marianna [84]3 years ago

5 0

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2 * (n+2) -> 2n + 4

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n + n + n + n -> 4n

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2 * (3n) -> 6n

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4n + n -> 5n

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Illusion [34]3 years ago

3 0

Answer:

2 (n + 2) = 2n + 4

n + n + n + n = 4n

2 (3n) = 6n

4n + n = 5n

Step-by-step explanation:

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The gross domestic product of China was $5,739 billion in 2010, and the gdp of Sweden was 435 billion . The population of China

Sergeeva-Olga [200]

Answer:

Sweden's per capita is greater than China.

Step-by-step explanation:

To calculate GDP per capita, we will divide the country's gross domestic product by its population.

The gross domestic product of China was $5,739 billion and population is 1347 million.

The GDP of Sweden was 435 billion and the population of Sweden is bout 9.5 million.

The GDP per capita of China = $\frac{5739000000000}{1347000000}$ = $4620.58

The GDP per capita of Sweden = $\frac{435000000000}{9500000}$ = $45789.47

Hence, we can see that Sweden's per capita is greater than China.

8 0

4 years ago

Write four decimals with the digit 4 in a different place in each-ones, tenths,hundredths, and thousandths. Then write s stateme

Rudiy27

We have to write number 4 in different places in ones, tenths,hundredths, and thousandths.

So, numbers are = 4.000 , 0.004 , 0.040 , 0.400

The statements can be like =

In 4.000 , the 4 is in ones place.

In 0.400, the 4 is at tenth place.

In 0.040 , the 4 is at hundredth place.

In 0.004 , the 4 is at thousandth place.

8 0

3 years ago

Determine the center and radius of the following circle equation: x^2+y^2-8x+6y-75=0 x 2 +y 2 −8x+6y−75=0 Center: \big(( , \big)

Reptile [31]

Answer:

Compare x^2 +y^2-8x-6y=75 with the general circle equation x^2+y^2 -2ax-2by+c=0

-2a =-8 And -2b=-6

a=4 b=3

c=-75

To find the radius use the equation

r^2=a^2+b^2-c

r^2=4^2+ 3^2-(-75)

r^2=25+75=100

r=10(radius is always positive)

Hence the center is (4,3) and radius 10

Step-by-step explanation:

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3 years ago

5. (06.04 MC)<br> Find the area of the image below: (4 points)

taurus [48]

Answer:

27.5

Step-by-step explanation:

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2 years ago

HELP FAST!!

Svetradugi [14.3K]

Answer:

Commutative Property

Step-by-step explanation:

The commutative property of multiplication states that when two numbers are being multiplied, their order can be changed without affecting the product.

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3 years ago