Simplify $3\sqrt{45}-12\sqrt{5}+16\sqrt{20}$leaving your answer in surd form

Similar Questions

Find $\alpha$ and $\beta$ such that x$\frac{3}{8}$ x y$\frac{-6}{7}$ x (\(\frac{y^{\frac{9}{...

Find the mean of t + 2, 2t - 4, 3t + 2 and 2t....

In triangle PQR, PQ = 1cm, QR = 2cm and PQR = 120o Find the longest side of the triangle...

Find to infinity, the sum of the sequence \(1, \frac{9}{10}, \left(\frac{9}{10}\right)^2, \left(\fra...

A solid hemisphere has a radius of 7 cm. Find the total surface area. ...

A student sitting on a tower 68 metres high observes his principal's car at the angle of depress...

In a racing competition, Musa covered a distance 5x km in the first hour and (x + 10)km in the next ...

Evaluate $\frac{0.8 \times 0.43 \times 0.031}{0.05 \times 0.72 \times 0.021}$. Correct to four sig...

Calculate the perimeter of the trapezium PQRS...

The sum of the progression is 1 + x + x2 + x3 + .........