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faust18 [17]
3 years ago
7

If 8x+8y=4 and 4x+2y=12,what is the value of x?

Mathematics
2 answers:
RSB [31]3 years ago
8 0
The answer is D. 11/2 or 5.5. Would you like the working out?
densk [106]3 years ago
5 0
D.)11/2 is the answer
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Two points on a line are (3,8) and (-3,2) what is the slope on the line
Leno4ka [110]

Answer:

The slope is 1

Step-by-step explanation:

2-8 is -6 and -3-3 is -6 so -6/-6=1 slope is 1

7 0
3 years ago
Read 2 more answers
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
The sum of 4 consecutive integers is 182. W hat is the sum of the middle two numbers?
Kamila [148]

Answer:

91

Step-by-step explanation:

Let

x = first number

x+1 = second number

x+2 = third number

x+3 = fourth number

Total = 182

x + x + 1 + x + 2 + x + 3 = 182

4x + 6 = 182

Subtract 6 from both sides

4x + 6 - 6 = 182 - 6

4x = 176

Divide both sides by 4

x = 176 / 4

= 44

x = 44

x = 44

x+1 = 44 + 1 = 45

x+2 = 44 + 2 = 46

x+3 = 44 + 3 = 47

Sum of the two middle numbers = 45 + 46

= 91

8 0
3 years ago
Find the domain and range f(×)= 2x/3x+2
galben [10]

Answer:

https://www.symbolab.com/solver/step-by-step/domain%20and%20range%20f%5Cleft(%C3%97%5Cright)%3D%202x%2F3x%2B2

Step-by-step explanation:

that will help you!

8 0
3 years ago
(2x/3)-(2x/5)=-60 and .2x+.9y=19.2
aleksandrvk [35]

Value of x=-225

Value of y=71.33

Explanation :

2x/3-2x/5=-60 (1)      

0.2x+0.9y=19.2    (2)    

(2x*5-2x*3)/(3*5)=-60  

   (10x-6x)/15=-60  

 4x/15=-60  

4x=15*-60

4x=-900

x=-900/4=-225    

consider (2)  

0.2x+0.9y=19.2    

substitute the value of x in (2)  

0.2*-225+0.9y=19.2  

0.9y=19.2+45=64.2

y=(64.2)/(0.9)=71.33

3 0
3 years ago
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