Solve any maths problem

Equations, derivatives, integrals, matrices, triangles, primes, statistics, or a word problem the tutor breaks into parts.

Mean of 10, 20, 30, 45

10,\ 20,\ 30,\ 45

Step by step

  1. 10, 20, 30, 45

    4 values.

  2. \bar{x} = \frac{10 + 20 + 30 + 45}{4} = \frac{105}{4} = \frac{105}{4}

    Mean: add them up and divide by how many there are.

Reveal the answer
\frac{105}{4}