A ship sails from port P to port Q. Q is 74 km from P on a bearing of 142º.
A lighthouse, L. is 58 km from P on a bearing of 110%.
(a) Show that the distance LQ is 39.5 km correct to 1 decimal place.

Sadie computes the perimeter of a rectangle by adding the length, l, and width, w, and doubling this sum. eric computes the perimeter of a rectangle by doubling the length, l, doubling the width, w, and adding the doubled amounts. write an equation for sadie’s way of calculating the

Solve the following simultaneous equation by using an algebraic method (either substitution or elimination) 2x + 3y=-4 4x-y=11

Asurvey of 2,000 doctors showed that an average of 3 out of 5 doctors use brand x aspirin. how many doctors use brand x aspirin