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andrey2020 [161]
3 years ago
7

Which properties justify the steps taken to solve the system? {2+7b=0

Mathematics
2 answers:
mart [117]3 years ago
3 0
I believe the answer is c or 3 
erastovalidia [21]3 years ago
3 0
I think the answer is c
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NARA [144]

The answer would be supply

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4 years ago
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Write a rational expression with denominator (x - 3)(x + 2) that is equivalent to 3x-1/x+2
N76 [4]

Answer:

  (x-3)(3x-1)/((x-3)(x+2))

Step-by-step explanation:

An equivalent fraction is formed by multiplying or dividing numerator and denominator by the same factor.

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To get the desired denominator, the given denominator must be multiplied by (x-3). To get the desired numerator of the equivalent fraction, the numerator must also be multiplied by (x-3).

  \dfrac{3x-1}{x+2}=\boxed{\dfrac{(x-3)(3x-1)}{(x-3)(x+2)}=\dfrac{3x^2-10x+3}{x^2-x-6}}

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3 years ago
What number is 31 less than fifty two million and four
marshall27 [118]
52,000,004
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51, 999, 973

Subtracting numbers is one of the basic operations in math.
Firstly, the order of operations is as follows: PEMDAS or parentheses, exponents, multiplication, division, addition, then subtraction.

All of these are done in the exact order given above.

For example, given the equation (4 x 7) + (6 / 2) - 3^2 = ?

1. Parentheses
- Solve the equations within the parentheses first.
(4 x 7) + (6 / 2) - 3^2 = 28 + 3 - 3^2

2. Exponents
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28 + 3 - 3^2 = 28 + 3 - 9

3. Mulltiplication

4. Division

5. Addition
28 + 3 - 9 = 31 - 9

6. Subtraction
31 - 9 = 22

Answer: 22.

<span>Hope this helps.</span>
3 0
3 years ago
Please help me with solving worded quadratic equations
nikklg [1K]
Answer to question 2 is 4 and 8 because 4+8=12 and 4 squared is 16 and 8 squared is 64, 16+64=80, hope this helps.
3 0
3 years ago
Can u help me plz ?
egoroff_w [7]

Step-by-step explanation:

Can you please tell me on wht you need help with so I can see if I can help you

8 0
3 years ago
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