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Whitepunk [10]
3 years ago
7

Simplify 3x+5y-x+2y please

Mathematics
2 answers:
Svetlanka [38]3 years ago
6 0

Answer:

2x + 7y

Step-by-step explanation:

3x + 5y - x + 2y

Arrange it to be simplified easier,

3x - x + 5y + 2y

3x - x = 2x

5y + 2y = 7y

2x + 7y

xxTIMURxx [149]3 years ago
6 0

Answer:

2x+7y

Step-by-step explanation:

<u>3x</u>+5y<u>-x</u>+2y =

<u>3x-x</u> = 2x

5y+2y = 7y

3x+5y-x+2y = 2x+7y

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Answer:

<h2>4/3 Joules </h2>

Step-by-step explanation:

Work is said to be done when force applied to an object causes the object to move through a distance.

Work done = Force * perpendicular distance.

\int\limits^a_b {F} \, ds

Given Force F = xy i + (y-x) j and a straight line (-1, -2) to (1, 2)

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Given the slope intercept form y = mx+c

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Using the coordinate (1, 2) as the value of s

W = \int\limits^a_b ({2x^2 i + x j}) \, (i+2j)\\W = \int\limits^a_b ({2x^{2}+2x }) \, dx \\W = [\frac{2x^{3} }{3} +x^{2} ]\left \ x_2=1} \atop {x_1=-1}} \right.\\W = (2(1)^3/3 + 1^2) -  (2(-1)^3/3 + (-1)^2)\\W =(2/3+1) - (-2/3+1)\\W = 2/3+2/3+1-1\\W = 4/3 Joules

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yKpoI14uk [10]
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