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I would begin by instructing them to draw a diagram of the problem. This would be of a cliff, labelled height s_y, with an arrow representing the ball being thrown from the top. This should be l...

To conjugate any verb you must first find the stem, ie the root of the verb from the infinitive form. In Spanish this means removing the AR/ER/IR ending from for example habl-AR (to talk) and thus as you ...

A negative externality is a type of market failure that occurs when the consumption or production of a good has an external cost on a third party that is not involved in the transaction. This external cos...

With this question, it is useful to work with a specific example, so let’s take the recurring decimal 0.27. The first step in converting it to a fraction is to set it equal to x, this will help us with ou...

The stationary points on a curve are the exact point of a maximum, minimum or point of inflection. They can be defined as points where the gradient, dy/dx = 0. You can show this by drawing a tangent to th...