Math
Factorise : 1 + a + b + c + ab + bc + ca + abc
English
(mean,means)Fluoridated water.........fewer Americans are toothless today. (visit,visits)Grandparents and children alike..........their dentist for regular check ups. (love,loves)Dentists.......the fact that there is more awareness about dental hygeiene. (is,are)Despite the de...
Maths
1) Simplification (trigonometric ratios of allied angles)? Simplify : i) [cos^2 (2x180-A). tan^2 (180+A). sec^2 (180-A)] / [ sin^2 (3x180+ A). cosec^2 (-A). cot^2 (90+A)] ii)[ cos(90+A). sec(270+A). sin(180-A) ] / [ cosec (-A). cos (270-A). tan (180+A) ] Find values of x and y...
math
what is the formula for working out open cuboid.
math
what is the formula for working out open cuboid.
math
A pump brings underground water up to ground level. The water flow is measured in litres per minute.The pump fills an 18 litre bucket in 7 seconds.what is the speed of the pump flow
physics
the key is "net force". in both cases acceleration is zero. therefore net force is also zero. Newton's second law, Fnet = mass * accel
high shoool algebra
Joy is 20 years older than Bob. Three years ago, Joy was 5 times as old as Bob. How old are they now?
Trigonometry
Three ships are situated as follows: A is 225 miles west of C while B, due south of C, bears S25*10'E from A. a. How far is B from A? b. How far is B from C? c. what is the bearing of A from B? PLEASE EXPLAIN
Trigonometry
Points A and B 1000 meter apart are plotted on a straight highway running east and west. from A, the bearing of tower C is N32*W and from be, the bearing of C is N64*E. approximate the shortest distance of the tower from the highway. please explain........
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