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Solve the inequality |x - 2sqrt(2)| > |x - 4sqrt(2)|.

This problem can be solved by squaring both sides of the inequality, as this removes the modulus from the problem. Modulus or | | means that a term can take positive and negative values, which could also be ...
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Answered by Jade A. • Maths tutor
3736 Views

What is the difference between current and voltage?

The current is the number of electrons flowing through the wire per second. The voltage however, is the amount of energy each individual electron is carrying as it moves through the wire.
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Answered by Jaafar A. • Physics tutor
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How find the values of x when x^2+8x+16=0?

We can find the values of x for this equation in several ways, we can either use the quadratic formula, complete the square, or see if the equation will factorise. For x^2+8x+16, we will first see whether we...
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Answered by Edward S. • Maths tutor
8346 Views

What is y' when y=3xsinx?

In order to differentiate something like y=3xsinx, you need to make use of the product rule. The product rule says that when you have an equation in the form y=f(x)g(x), you can find y' by using the formula ...
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Answered by Edward S. • Maths tutor
9651 Views

If a spinner was spun 50 times and the probability to show the number 2 was 0.2, how many times would it show the number 2?

Start by using the probability equation,th e probability of an event = the number of ways the event can occur/the total number of possible outcomes From the question we know that; the probability of showing ...
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Answered by Alice L. • Maths tutor
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