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mylen [45]
3 years ago
5

HELP ASAP! ASAPPPPPP!!! GIVING BRAINLIEST!!!

Mathematics
1 answer:
Rufina [12.5K]3 years ago
5 0

Answer:

1.2 should be right but no promises

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Serena simplify the expression 3 (2x - 6 - x + 1 )^2 - 2 + 4x in step 1 she simplified within the parentheses in step 2 she expa
xz_007 [3.2K]

Answer:

For step three she could multiply the two parenthesis against each other to get 3(x² - 10x + 25) - 2 + 4x

Step-by-step explanation:

step 1: 3(x - 5)² - 2 + 4x

step 2: 3(x - 5)(x - 5) - 2 + 4x

For step three she could multiply the two parenthesis against each other to get 3(x² - 10x + 25) - 2 + 4x

4 0
3 years ago
Rationalize the denominator of 2/√3−1 Please give step by step answer
Rashid [163]
Answer: sqrt2

Explanation:

I attach a photo please check it:

7 0
3 years ago
Read 2 more answers
What is the correct justification for the first step in solving this
Bas_tet [7]

The correct justification for the first step in solving the provided equation is that the first step should be distributive Property

<h3>What is the property of equality?</h3>

Property of equality says that by performing any mathematical operation, of both sides of a expression does not change the original value of the equation.

The equation given in the problem is,

3(x - 4) + 1 = 12x

To solve the above equation, we need to open the brackets of the equation. To do this, we need to use the distributive property of the equality.

This can be done by multiplying the number 3 inside the bracket (x-4). This operation simplify the equation, to solve it further. Therefore,

3x - 3\times4 + 1 = 12x\\3x - 12 + 1 = 12x

Hence, the correct justification for the first step in solving the provided equation is that the first step should be distributive Property.

Learn more about the property of equality here;

brainly.com/question/1601404

4 0
3 years ago
Read 2 more answers
A truck with a heavy load drove from Boston to New York at 45 mph. After unloading, it returned from New York to Boston at a spe
V125BC [204]
The distances from Boston to New York and New York to Boston stayed the same.  Going was 45mph and returning was 65mph.  The average would just be the sum of the two, divided by 2

(45+65)/2 = 55mph average
6 0
3 years ago
ALREADY SOLVED - the system of equations has no solution.
Anastasy [175]
They run parallel to each other when graphed.


6 0
3 years ago
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