Strategy 40/40

Calculate the temperature of 4.0 mol of a gas occupying 5 dm^(3) at 3.32 bar. Strategy : List the variables with the proper units. Then solve the ideal gas equation for T by substituting the values.

The strategy close to heuristic discovery strategy is

If sin theta =40//41 , then cot theta is A. 40/9 B. 9/40 C. 9/41 D. 41/9

Find the third proportional to 16:40::40:x

Value of tan ^(6) 40^(@) -33 tan ^(4) 40^(@)+ 27 tan ^(2) 40^(@) is "_________"

In a DeltaABC , if a = 40, c=40sqrt(3) and B=30^(@) , then the triangle is

Prove that: (cos40^(@)+cos50^(@))/(sin40^(@)+sin50^(@))=1

An athlete complete one round of a circular track of diameter 200m in 40s. What will be the distance covered and the displacement at the end of 2 minutes ?

The average of 10 numbers is 40.2. Later it is found that two numbers have been wrongly added.The first is 18 greater than the actual number and the second number added is 13 instead of 33. Find the correct average.(a) 40.2 (b) 40.4 (c) 40.6 (d) 40.8