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inessss [21]
3 years ago
14

What is the solution to the equation? 3 (4x– 1) + x = 5x – 4 (1 – 2x) + 1

Mathematics
1 answer:
Scorpion4ik [409]3 years ago
8 0

Answer:

x=1

Step-by-step explanation:

12x -3 + x =5x - 4 +8x +1

13x-3=13x - 3

+3     +3

____________-

13x=13x

÷13x   ÷13x

_________

x=1

Hope this helps :D  (idk if its right srry if not)

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Answer:

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Step-by-step explanation:

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3 years ago
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A 60 - kilogram person stands on a compression spring . The spring constant is 2500 Newtons per meter .
insens350 [35]
<h2>Answer:0.2352m</h2>

Step-by-step explanation:

Let the mass of the person be m.

Let the spring constant be k.

Let the displacement in spring be x

Let the acceleration due to gravity be g

As it is given that the person just stands,the forces are balanced.

So,mg=kx

Given,

m=60Kg\\k=2500Nm^{-1}\\g=9.8ms^{-2}

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6 0
3 years ago
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viktelen [127]

Answer:

x = ± √ 5 − 2

Step-by-step explanation:

5 0
3 years ago
Find the coordinates of the point (a, b).
Leviafan [203]

Answer:

a = \frac{1}{\sqrt{2} } and b = \frac{\sqrt{2} }{2}

Step-by-step explanation:

As we know, the radius of the unit circle is 1 unit (it is the hypotenuse in the right triangle, the blue line)

We use trigonometric formulas to find out a and b

  • Sin(45) = opposite side / hypotenuse

<=> Sin(45) = b / 1

<=> b= Sin(45)*1 = \frac{\sqrt{2} }{2}

  • Cos(45) = adjacent side / hypotenuse

<=> Cos(45) = a / 1

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5 0
3 years ago
Please help
Montano1993 [528]

Answer:

M = 2x² - (ax/3) + by

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Step-by-step explanation:

Equation 1 is

2x² - (1/3)ax + by - M = 0

M = 2x² - (ax/3) + by

Equation 2

3x²y - (1/3)xy³ + cy + B = 0

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Hope this Helps!!!

7 0
3 years ago
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