Science
Does all the water which rises up a plant escape through the leaves?
maths
A lighthouse is 9.6 nautical miles from a ship which bears 156 degrees from the lighthouse.How far is the ship east of the lighthouse?Give answer correct to one-tenth of a nautical mile.
maths
The vertical angle of a cone is 110 degree and the diametre of its base is 186mm.What is its height?
maths
A chord subtends an angle of 68 degree at the centre of a circle of radius 200 mm.Find the length of the chord.
maths
The angle between two tangents from a point to a circle is 82 degree.What is the length of one of these tangents if the radius of the circle is 80mm?
maths
A rectangle has sides 170mm and 130mm.What is the angle between the diagonals?
Maths
The diagonals of a rhombus are 320mm and 240mm in length.Find the angles of the rhombus.
Maths
If cos A=3/5 and A is acute,find sin A,tan A,and sec A.
Science
Invent a unit to measure how fast you spend your money
Science
List the types of energy according to the: (a)content/particle arrangement (b)energy changes involved
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