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djverab [1.8K]
3 years ago
5

What is the correct answer?

Mathematics
1 answer:
emmainna [20.7K]3 years ago
5 0

Answer:

68

Step-by-step explanation:

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2x + y = 12<br> 4x - 3y = 2
7nadin3 [17]

Answer:

The value of x for equation is 3.4

The value of y for equation is 5.2  

Step-by-step explanation:

Given as :

The two linear equation are

2 x + y = 12           ........A

4 x - 3 y = 2              .........B

Now, Solving both equations , we get

3 × ( 2 x + y ) + (4 x - 3 y) = 3 × 12 - 2

Or, 6 x + 3 y + 4 x - 3 y = 36 - 2

Or, (6 x + 4 x) + (3 y - 3 y) = 34

Or, 10 x + 0 = 34

∴  x = \dfrac{34}{10}

i.e x = 3.4

So, The value of x for equation , x = 3.4

Put the value of x into eq A

∵ 2 x + y = 12

Or, y = 12 - 2 x

Or, y = 12 - 2 × 3.4

Or, y = 12 - 6.8

∴ y = 5.2

So, The value of y for equation , y = 5.2

Hence, The value of x for equation is 3.4  and The value of y for equation is  5.2   Answer

4 0
3 years ago
What is the value of y?
Inessa [10]
I think it’s b but I’m not sure
3 0
3 years ago
Read 2 more answers
Find the common difference for the sequence shown: [1/5, 13/40, 9/20...)
bazaltina [42]
<h3>Answer:  1/8</h3>

Explanation:

Pick any term and subtract off the previous term to get the common difference.

So,

13/40 - 1/5 = 13/40 - 8/40 = (13-8)/40 = 5/40 = 1/8

Or

9/20 - 13/40 = 18/40 - 13/40 = (18-13)/40 = 5/40 = 1/8

The positive common difference value indicates this arithmetic sequence is increasing.

6 0
2 years ago
The tennis racket is $36.75 before tax in the sales tax is 6% what is the finial price
scoundrel [369]
The final price for the racket is $38.96
7 0
3 years ago
Evaluate (104)^3 using suitable identity
egoroff_w [7]

Answer:

1124864

Step-by-step explanation:

7 0
3 years ago
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