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Find the general solution to the differential equation d^2x/dt^2 + 5 dx/dt + 6x = 4 e^-t

To solve a linear second order differential equation we first find the complementary function and then the particular integral. To find the complementary function we must find the roots of the auxiliary equa...
TM
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Solve for x and y: 2x +5y + 5= 0 , 2y + 31= 5x

For a question like this you should aim to eliminate either x OR y from one equation in order to deduce the value of the other. 1) 2x +5y + 5= 0 , 2) 2y + 31= 5x Rearrange equation 2) so that 2y +31= 5x --&g...
TD
Answered by Tutor114325 D. • Maths tutor
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By which two processes does glucose enter cells in the human body?

Active transport and diffusion. Glucose is transported by active transport, against the concentration gradient, from the gut into intestinal epithelial cells. Whereas glucose is transported by facilitated di...
RS
Answered by Robert S. • Biology tutor
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How do you draw insightful comparisons between contrasting pieces?

With questions focusing on two contrasting pieces, it is sometimes difficult to find areas of similarity. If you can, this can be a useful starting point for exploring the differences. An effective approach ...
LW
Answered by Lydia W. • Music tutor
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How much did Mary I's marriage to Prince Philip of Spain influence Britain's foreign policy?

It can be argued that Mary’s marriage to Philip forced England into a diplomatic relationship with Spain which led to Spain dominating England’s foreign policy interests, particularly Philip realised that Ma...
MC
Answered by Madeleine C. • History tutor
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