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A rise in interest rates increases the cost of borrowing and increases the reward for saving. This means that there is a double effect, people are disincentivised to borrow money and spend it, as well as hav...

Call the two numbers x and y. The constraint is that x + y =100, and we need to maximise A=xy. Rearrange the constraint to y = 100 - x, and substitute into the product equation. A = x(100-x) = 100x - x 2 Dif...

Es de saber común que la comida en la Península Ibérica es de calidad suprema. Sin embargo la gente no tiende a ponerse de acuerdo sobre cuál es la región española con la mejor gastronomía. Los valencianos e...

First, since there are terms with different factors of x summing together, we can separate these into three individual integrals as follows:int(x 3 dx) + 4int(x 2 dx) + int(sinx dx)Then using the rules of in...

The answer lies in how many electron there are in the outer shells of each of the elements and how many electrons they can get or give away to gain a fuller outer shell. Lithium has 1 electron in its outer s...