y = p x q^(x - 1), When x = 1, y = 10, and when x = 6, y = 0.3125. Find the value of 'y' when x = 3

When x = 1, y = 10Therefore, p x q(1 - 1) = 10 p x q0 = 10 p x 1 = 10, p = 10When x = 6, y = 0.3125 p x q(6 - 1)= 0.3125 10 x q5 = 0.3125 q5 = 0.03125, q = (0.03125)1/5, q = 0.5Let x = 3, 10 x 0.5(3 - 1) = y, y = 2.5

PM

Related Maths GCSE answers

All answers ▸

The perimeter of a right-angled triangle is 72 cm. The lengths of its sides are in the ratio 3 : 4 : 5. Work out the area of the triangle.


What is the expansion of (x + 4)(x - 5) ?


Find the opposite length of the triangle with hypotenuse length 5 and adjacent length 4.


1