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slamgirl [31]
3 years ago
6

Solve the system of equations using the linear combination method. 7x+2y=29 3x−5y=30

Mathematics
1 answer:
Nitella [24]3 years ago
3 0

Answer:

X=5 , Y=-3

Step-by-step explanation:

In the picture I hope that it's a clear.

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Step-by-step explanation:

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A punch recipe calls for 1/2 gallon of ginger ale, 1/2 qt of
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8 0
3 years ago
Integration of (cosec^2 x-2005)÷cos^2005 x dx is
kondor19780726 [428]
We are asked in the problem to evaluate the integral of <span>(cosec^2 x-2005)÷cos^2005 x dx. The function is an example of a complex function with a degree that is greater than one and that uses special rules to integrate the function via the trigonometric functions. For example, we integrate 
2005/cos^2005x dx which is equal to 2005 sec^2005 x since sec is the inverse of cos. The integral of this function when n >3 is equal to I=</span><span>∫<span>sec(n−2)</span>xdx+∫tanx<span>sec(n−3)</span>x(secxtanx)dx
Then, 
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we can then integrate the function by substituting n by 3.

On the first term csc^2 2005x / cos^2005 x we can use the trigonometric identity csc^2 x = 1 + cot^2 x to simplify the terms</span></span></span>
7 0
3 years ago
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