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 193
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virtus:
Group Title
The cost of reducing each unit of pollution costs firm A $10 for the first unit of pollution abated (or reduced), $20 for the second unit ab…
 updated one year ago
 2 replies
 No Medals Yet
Mathematics

virtus:
Group Title
if v =+/(x1)
however when x=0m, v= 1m/s >0
why do we take v = (x1)
 updated one year ago
 20 replies
 2 Medals
Mathematics

virtus:
Group Title
find the domain and range of cos^1(x^21)
 updated 2 years ago
 16 replies
 No Medals Yet
Mathematics

virtus:
Group Title
Why is (a+b)^n+1 =(a+b)^n(a+b)
=a(a+b)^n +b(a+b)^n
 updated 2 years ago
 20 replies
 7 Medals
Mathematics

virtus:
Group Title
16Cn +16C9 =17C9
 updated 2 years ago
 5 replies
 5 Medals
Mathematics

virtus:
Group Title
question below
 updated 2 years ago
 26 replies
 2 Medals
Mathematics

virtus:
Group Title
tan (infinity) =?
 updated 2 years ago
 10 replies
 No Medals Yet
Mathematics

virtus:
Group Title
The accelerationtime graph of a particle moving along a straight line is shown below. Initially the particle is at the origin. State the ti…
 updated 2 years ago
 2 replies
 No Medals Yet
Mathematics

virtus:
Group Title
Question attached below
 updated 2 years ago
 18 replies
 1 Medal
Mathematics

virtus:
Group Title
a parabola with its axis parallel to the yaxis has its vertex at (4,2) and it passes through the point (2,14). Find the equation of the par…
 updated 2 years ago
 5 replies
 No Medals Yet
Mathematics

virtus:
Group Title
A function is defined by the rule:
g(x) = 3 for x less than or equal too 0
g(x) =3cos(x) for x>0
…
 updated 2 years ago
 3 replies
 1 Medal
Mathematics

virtus:
Group Title
Show that cos(4)x =8(cos^(4)x cos^(2)x)+1
 updated 2 years ago
 12 replies
 3 Medals
Mathematics

virtus:
Group Title
At the Easter Show, there is a new game in which a small hoop pf radius 100mm is thrown onto a rectangular table 3 meters by 2 meters. If th…
 updated 2 years ago
 42 replies
 3 Medals
Mathematics

virtus:
Group Title
what do you do when life knocks you down?
 updated 2 years ago
 55 replies
 1 Medal
Mathematics

virtus:
Group Title
find the domain and range for y=2x
 updated 2 years ago
 9 replies
 6 Medals
Mathematics

virtus:
Group Title
6 POINTS (A,B,C,D,E,F) LIE ON A CIRCLE
 updated 2 years ago
 29 replies
 4 Medals
Mathematics

virtus:
Group Title
9 dots are drawn as below. How many triangles can be formed by joining three dots?
 updated 2 years ago
 25 replies
 2 Medals
Mathematics

virtus:
Group Title
There are 7 people at a party and they shake each other's hand once. How many hand shakes are there?
 updated 2 years ago
 17 replies
 2 Medals
Mathematics

virtus:
Group Title
Eight keys are placed on a key ring. How many different arrangements are possible if they are all different
 updated 2 years ago
 14 replies
 3 Medals
Mathematics

Hashir:
Group Title
guys ........ x+y=2
and xy=2
how can i solve it
 updated 2 years ago
 39 replies
 5 Medals
Mathematics

virtus:
Group Title
10 people are arranged around a table. A chairperson and secretary are to be elected. How many arrangements are possible such s that the cha…
 updated 2 years ago
 25 replies
 1 Medal
Mathematics

virtus:
Group Title
find the no. of ways in which 8 people can be seated at 2 round tables with 4 people sitting at each table?
…
 updated 2 years ago
 19 replies
 2 Medals
Mathematics

virtus:
Group Title
A family consists of a mother, a father, 4 girls and 3 boys. In how many ways can 9 people be arranged around a table if:
The parents are s…
 updated 2 years ago
 21 replies
 1 Medal
Mathematics

virtus:
Group Title
A 6m high vertical street lamp stands on horizontal ground. A 2 metre tall man runs away from the street lamp at a constant speed of 2.5m/s.…
 updated 2 years ago
 15 replies
 3 Medals
Mathematics

Master.RohanChakraborty:
Group Title
Is here any one WHO EXACTLY KNOW whats CALCULAS IS ??
 updated 2 years ago
 22 replies
 4 Medals
Mathematics

virtus:
Group Title
In triangle ABC, CD bisects the angle BCA and D lies on side AB. Angle c = 60 degrees, AC = 8cm and BC = 6cm
 updated 2 years ago
 12 replies
 1 Medal
Mathematics

virtus:
Group Title
question posted below
 updated 2 years ago
 6 replies
 2 Medals
Mathematics

virtus:
Group Title
a train runs between two stations stopping at each. Its velocity V km/min, t minutes after leaving the first station, is given by v = 0.12t(…
 updated 2 years ago
 13 replies
 1 Medal
Mathematics

virtus:
Group Title
Find the volume of the solid formed when the area bound by the curve y=4x^2 and the x axis is rotated one complete revolution about the y a…
 updated 2 years ago
 20 replies
 1 Medal
Mathematics

virtus:
Group Title
Find the volume of the solid formed when the area bound by the curve y=4x^2 and the x axis is rotated one complete revolution about the y a…
 updated 2 years ago
 4 replies
 2 Medals
Mathematics
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