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Write a letter to your Spanish pen pal Carlos who has just turned 17.

Hola Carlos,Felicidades en tu cumpleaños! Espero que tengas un buen dia, celebrando con tu familia y tus amigos. Como ya sabes, celebré mi cumpleanos el Viernes pasado. Fui al cine con unas amigas del colegi...
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Answered by Cecilia O. • Spanish tutor
2598 Views

How to calculate the number of protons, neutrons and electrons in an atom of chlorine?

Protons have a +1 charge and electrons have a -1 charge. The overall charge on an atom is 0, therefore there must be an equal number of protons and electrons in an atom so that the charges cancel out. So in ...
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Answered by Abbey T. • Chemistry tutor
56549 Views

Solve (x+1)/3+(2x+5)/4=2

Identify a common denominator4( x + 1)/12 + 3(2 x + 5)/12 (= 2)2. Expand both brackets(4 x + 4)/12 + (6 x + 15)/12 = 23. Multiply out the denominator4 x + 4 + 6 x + 15 = 12× 24. X's on one side, numbers on t...
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Answered by Modesta K. • Maths tutor
5322 Views

How do you factorise quadratic equations by completing the square?

Divide the term in x by 2 and then put it in the bracket which will be squared. The last term from that expansion needs to be adjusted for.
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Answered by Dario M. • Maths tutor
3737 Views

When do you use the imperfect/preterite past tense?

A good way to remember which form of the past tense to use is to think about when the action took place. The imperfect (with endings -aba and -ía) is used for continuous actions in the past, so you would use...
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Answered by Mary G. • Spanish tutor
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