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Posts by sayan

Total # Posts: 7

chemistryt
A solution with a volume of 1·00 dm3 is saturated with lead iodide, Pbl2. The concentration of iodide ions is 2·7 mol dm–3.Determine the solubility product of PbI2. ??

math
Find area of triangle. Sides=12cm,9.2cm and 7.2cm

science
I want to know whic n2 and co2 rms become same?

math
The answer is 321. Possible values of a are: 64(r=1.5) 80(r=1.5) 81(r=4/3) 96(r=1.5)

maths
Angle a lies in the second quadran and angle b lies in the third quadrant such that cos a = -3/5 and tan b = 24/7. Determine an exact value for cos (a+b), sin(a-b)

maths
an arc of a circle subtends a central angle of 5pi/6 radians.if the radius of the circle measures 10.6cm, determine the approx measure of the arc leanth

grade 11 physics
A championship golfer uses a nine iron to chip a shot right into the cup. If the golf ball is launched at a velocity of 20 m/s at an angle of 45° above the horizontal, how far away was the golfer from the hole when he hit the ball? What maximum height did the ball reach?

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