mathematics
Please help me answer this question; 1.A metal gutter open at the tops and ends, is bent up from material 30 cm wide to form a rectangular cross section. a) If the base of the gutter is x cm wide, find the height of the gutter. b)Show that the area of the gutter cross section ...
Maths
please help me answer this question: A pilot sets to fly from B to A and wishes to set a course to offset a 32 km/h easterly wind.The aircraft can fly at the speed of 800km/h in still air. A is 256 from B in a bearing of 330 degrees. a)on what course must the aircraft be set? ...
math puzzle
(2^2)+(7^3)+(4^3)+ 3 + 4 +(3^2) =? (2x2)+(7x7x7)+(4x4x4)+3+4 +(3x3) =? 4+ 147 + 64 + 7 + 9 = 231
algebra 1
(-6+3=y) the following equation given is a linear function:(general formula is y = mx+c)..where m = the gradient, and c= the y-intercept.hence in the equation given; m is= -6, & c=3. to find the x-intercept, make y = 0. eg. -6x+3=y -6x+3=0 -6x=-3 -6x/-3=-3/-3 2x=1 x=1/2
trigonometry
Yes, the question should be : 2(sec^A -2)/4 tan A
trigonometry
Simplify:2sec^2A-2/4tan A...Please help,anyone who can answer
history
thanks very much.
history
briefly: what is vietnamisation?
trig
on the same set of axes: (0 degrees is greater than or equal to x and x is less than or equal to 360 degrees) (a) sketch the graphs of y= sin degrees ,y=2sinx degrees and y=sin2x degrees
trig
Given Tangent theta = -5 on 4 and cos theta >0, find sine theta and sec theta
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