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Translate the following passage into Spanish. "I like to go on holiday to Spain. It is always sunny and our favourite hotel has a big swimming pool. Last summer we went to Madrid and I saw a concert. I am going to study Spanish at university."

"Me gusta ir de vacaciones a España. Siempre hace sol y nuestro hotel favorito tiene una gran piscina. El verano pasado fuimos a Madrid y vi un concierto. Voy a estudiar español en la universidad."...
RW
Answered by Robert W. Spanish tutor
7228 Views

In a sale, the original price of a bag was reduced by 1/5. The sale price of the bag is £29.40. Work out the original price.

£29.40 represents 4/5 of xThus to find x, we must multiply 29.40 by 5/4: 29.40/4 = 7.35 (this is 1/5) 7.35 x 5 = 36.75 (this is 5/5, the original price) Original price = £36.75
RW
Answered by Robert W. Maths tutor
4720 Views

Show that (1 - cos(2x)) / (1 + cos(2x)) = sec^2(x) - 1

First, take the side of the equation that looks most complicated because it often needs simplifying. This is the LHS in this case. The LHS has cos(2x) twice - therefore the double angle formula probably appl...
LG
Answered by Louis G. Maths tutor
7422 Views

Integrate 5(x + 2)/(x + 1)(x + 6) with respect to x

This term cannot be integrated in the form that it is in. We will have to do some algebraic manipulation to rewrite it. The term can be split into partial fractions because the denominator of the term has be...
LP
Answered by Lata P. Maths tutor
3687 Views

What is the easiest way to calculate E cell values?

This is a calculation which students often find tricky. One fail-safe method for doing this calculation is considering E cell = E (reduced) - E(Oxidised). A more positive electrode potential means that a spe...
RD
48965 Views