maths
The simplified form of the complex no. (1-i/2 2i) (1/-2-2i) is.....?
maths
A box contains 12 bulbs with 3 defective ones. If two bulbs are drawn from the box together.what is the probability that a)both bulbs are defetive b)both are non defective c)one bulb is defective?
maths
The mean grade of 10 students was 72.if 2 of the students with grades of 53,75 are cancelled. What should be the mean grade of the remaining?
physics
An aircraft flying at a steady velocity of 70m/s eastwards at height of 800m drops a package of supplies a)express the initial velocity of the package as vector. B)how long will it take for the package to reach the ground? C)how fast will it be going as it lands?(answer in vec...
physics
A boat takes 4 min. to cross a river 90m wide directly when there is no current & 5min. When there is current. find the velocity of the current.
maths
Show that the equation of a line 4x - 3y 4
maths
Show that the equation of a line 4x-3y 4
maths
Show that the equation of a line 4x-3y 4
maths
The equation is y=2x^2 -12x +20
maths
What is the vertex,focus,directrix of the equation y
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