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Nikitich [7]
3 years ago
10

75 students decreased by 80%

Mathematics
1 answer:
Degger [83]3 years ago
3 0
Hello,

The initial amount of students is 75. The amount decreased by 80%.

new total = 75-80%

= 15

Thus, 15 students are left.

Faith xoxo
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AleksandrR [38]

Answer:

Coming!!!

Step-by-step explanation:

8 0
3 years ago
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
In the​ 1970s, due to world​ events, there was a gasoline shortage in the United States. There were often long lines of cars wai
andrezito [222]

Answer:

Part A: The average car length is 9.1 feet to the nearest tenth foot

Part B: The line would be 9100 feet to contained 1000 cars

Step-by-step explanation:

* Lets explain how to solve the problem

# Part A:

- There were 62 cars in a line that stretched 567 feet

- The cars are lined up bumper-to-bumper

- That means there is no empty spaces between the cars

* To find the average length of the car we will divide the length of

 the line by the numbers of the cars

∵ The average car length = length of the line/number of cars

∵ The length of the line is 567 feet

∵ The numbers of the cars is 62 cars

∴ The average car length = 567/62 = 9.1 feet

* The average car length is 9.1 feet to the nearest tenth foot

# Part B:

- There are 1000 cars

- We need to find the length of line which contained the cars

∵ The average car length = length of the line/number of cars

∵ The average of car length is 9.1 feet

∵ The number of the cars is 1000 cars

∴ 9.1 = length of the line/1000

- Multiply both sides by 1000

∴ The length of the line = 9.1 × 1000 = 9100 feet

∴ The line would be 9100 feet to contained 1000 cars

7 0
4 years ago
What is the answer to this problem ?4a4b6(•2a4b5c7)
garik1379 [7]

Answer:

4 * a  = 4

a = 1

b * 6

4 * 6

24b

2 a * 4 = 8

b * 5 = c *7

7 * 5 = 35

b = 17.5

C = 17.5

17.5+17.5 = 17.5 * 2 +4a+ b5

So your answer is 54a

Step-by-step explanation:

6 0
3 years ago
Solve the equation x2 – 10x – 8= 0 to the nearest tenth.
4vir4ik [10]

Answer:

x = -0.8 and 10.8

Step-by-step explanation:

Given the equation x2 – 10x – 8= 0

Using the general formula

x = -b±√b²-4ac/2a

x = -(-10)±√(-10)²-4(1)(-8)/2(1)

x = 10±√100+32/2

x =10±√132/2

x = 10±11.489/2

x = 10-11.489/2 and 10+11.489/2

x = -1.489/2 and 21.489/2

x = -0.8 and 10.8

3 0
3 years ago
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