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Vlada [557]
3 years ago
11

Moving x to one side what is 2x+10=-4x+2

Mathematics
1 answer:
Ray Of Light [21]3 years ago
4 0

Answer:

x = -4/3

Step-by-step explanation:

2x+10=-4x+2

Add 4x to each side

2x+4x+10=-4x+4x+2

6x +10 = 2

Subtract 10 from each side

6x +10-10 = 2-10

6x = -8

Divide each side by 6

6x/6 = -8/6

x = -4/3

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            = 60
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A contractor purchases 5 dozen pairs of padded work gloves for ​$67.20. She incorrectly calculates the unit price as ​$13.44 per
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13.44

Step-by-step explanation:

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Find the tangent of the angle in between the lines 2x+3y–5=0 and 5x=7y+3?
tino4ka555 [31]

Answer:

-29/31

Step-by-step explanation:

We are given;

The equations;

2x+3y–5=0 and 5x=7y+3

We are required to determine the tangent of the angle between the two lines;

We need to know that;

When an equation is written in the form of, y = mx + c

Then, tan θ = m , where θ is the angle between the line and the x-axis.

Therefore, we can find the tangent of the angle between each line given and the x-axis.

2x+3y–5=0

we first write it in the form, y = mx + c

We get, y = -2/3x + 5/3

Thus, tan θ₁ = -2/3

5x=7y+3

In the form of y = mx + c

We get; y = 5/7x - 3/7

Thus, tan θ₂ = 5/7

Using the formula, θ = tan^-1((m1-m2)/(1+m1m2)) , where θ is angle between the two lines.

Thus, the tangent of the angle between the two lines will be;

tan θ = ((m1-m2)/(1+m1m2))

        = ((-2/3-5/7)/(1 + (-2/3 × 5/7)))

        = -29/21 ÷ 31/21

        = -29/31

Thus, the tangent of the angle between the two lines is -29/31

7 0
3 years ago
What is 3x2 + 5x - x2 - 2x + 3 simplifyed completely​
zloy xaker [14]

Answer:

2x^2+3x+3

Step-by-step explanation:

Reformatting the input :

Changes made to your input should not affect the solution:

(1): "x2"   was replaced by   "x^2".  1 more similar replacement(s).

STEP  1

The Equation at the end of step 1

 (3x2 +  5x) -  x2) -  2x) +  3

STEP  2

Trying to factor by splitting the middle term

2.1     Factoring  2x2+3x+3  

The first term is,  2x2  its coefficient is  2.

The middle term is,  +3x  its coefficient is  3.

The last term, "the constant", is  +3  

Step-1: Multiply the coefficient of the first term by the constant   2 • 3 = 6  

Step-2: Find two factors of  6  whose sum equals the coefficient of the middle term, which is   3.

     -6    +    -1    =    -7  

     -3    +    -2    =    -5  

     -2    +    -3    =    -5  

     -1    +    -6    =    -7  

     1    +    6    =    7  

     2    +    3    =    5  

     3    +    2    =    5  

     6    +    1    =    7  

Observation: No two such factors can be found !!

Conclusion: Trinomial can not be factored

Final result :

 2x^2 + 3x + 3

Hope this helps!

Brain-List?

3 0
3 years ago
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