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What is the difference between the use of SER and ESTAR?

· Ser is used in a simple way, to talk about WHAT something is (permanent state). To describe characteristics that are an essential part of the thing we’re talking about. · Estar is used to talk about HOW so...
EA
Answered by Elizabeth A. • Spanish tutor
2147 Views

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 ...
JA
Answered by Jade A. • Maths tutor
3694 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.
JA
Answered by Jaafar A. • Physics tutor
2540 Views

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...
ES
Answered by Edward S. • Maths tutor
8222 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 ...
ES
Answered by Edward S. • Maths tutor
9599 Views