Top answers

Expand and simplify 3(m+4)-2(4m+1)

The first step is to expand out the brackets, we can do this more simply by splitting the equation into two parts. In order to expand the first half of the equation, 3(m+4), you must times both m and 4 by th...
KA
Answered by Kwabena A. • Maths tutor
6282 Views

Write 𝑥²+6𝑥+11 in the form (𝑥+a)²+b.

This question wants you to "complete the square". To start this question we put a = (coefficient of x)/2 = 6/2 = 3.So far we have 𝑥²+6𝑥+11 = (𝑥+3)²+b. We now need to find b. We can expand and simpl...
BP
Answered by Ben P. • Maths tutor
13547 Views

Functions f and g are such that f(x) = x^2, g(x) = x-3. Solve gf(x)=g^-1(x)

First, we substitute in our functions f and g. We can do this in two ways.1) Find g^-1:As g takes 3 from x, the inverse operation must add 3 to x. So g^-1(x) = x + 3Then our equation gf(x) = g^-1(x) becomes:...
WC
Answered by William C. • Maths tutor
10561 Views

Translate the following sentences into Spanish. I eat lots of fruit. I prefer to download music. The poor man lives on the street. I bought a new laptop on Saturday. I think that I am going to study Spanish next year.

Como mucha fruta.Prefiero descargarme la música.El pobre vive en la calle.El sábado me compré un portátil nuevo.Creo que voy a estudiar español el año que viene.
MM
Answered by Marina M. • Spanish tutor
3892 Views

Fuiste a una fiesta de San Valentín, el 14 de febrero. Tu amigo uruguayo, Mateo, te ha preguntado sobre la fiesta. Escríbele un email. Menciona: • qué hiciste en la fiesta • tus ideas sobre tu novio perfecto / tu novia perfecta • tu opinión sobre el matri

Querido Mateo, El día de San Valentín estuve en una fiesta muy aburrida. Estuvimos jugando a juegos “románticos”, que me parecieron muy raros. Como puedes ver, no me interesa mucho el tema del amor ahora mis...
MM
Answered by Marina M. • Spanish tutor
4237 Views