Gilda

Application of Quadratic Equations The base of a triangle is longer than twice its corresponding height by 1 cm. The area of the triangle is 105 cm(square). Find the height of the triangle

Why is giant's hand only 11 inches long?

Application of Quadratic Equations. A girl's age in 12 years' time is the square of her present age. Find her present age.

Solve the pairs of simultaneous equations by the substitution method. 5x-9y=17 3x-8y=5

(3^-2e^4)^-1 [bracket three to the power of negative 2. 'e' to the power of 4, close bracket, to the power of negative 1]

Why do Alkali Metals & Alkaline Earth Metals have so much difference in their properties?

*I'm a bit confused with this qn* Expand and Simplify 3(3x-y)^2

Solve the equation. 2y^2 - 6y = 56

You can find it in lesson 7 page 6.