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Yash
Questions (14)
When a beaker of water is heated its volume increases a little because the particles are
2 answers
421 views
While going downstream boat covers a distance in 48km in 6hrs while returning covering the same distance in a task. find the
1 answer
421 views
A ribbon is 3metres long.I need 8pieces of ribbon each 40cm long.How many centimetres shorter is the ribbon than the length I
6 answers
2,906 views
A ribbon is 3metres long.Can we cut it into 5ocm pieces and have nothing left over?Write the reason why or why not.
1 answer
398 views
By picking a natural number randomly upto 100, find the probability of the number being a perfect cube
1 answer
486 views
An aeroplane takes off from runway making an angle of 30 horizontally at a speed 500ms find the height attained by the aeroplane
3 answers
573 views
Consider the following theorem (p -> q):
If the quadrilateral ABCD is a square, then its diagonals are perpendicular and have the
1 answer
548 views
Two spheres A and B of equal mass are free to move on a smooth horizontal surface. A and B move towards each other with velocity
0 answers
861 views
I need help to prepare survey report on "use of mobiles are the need of an hour". Report should contain questions asked during
0 answers
419 views
I need help to prepare survey report on "use of mobiles are the need of an hour". Report should contain questions asked during
1 answer
441 views
An open knife edge of mass 200g is dropped from hieght 5m on a cardboard. If the knife edge penetrates 2m into the cardboard,
2 answers
795 views
Consider two closed systems A and B. System A contains 3000 kJ of thermal energy at 20°C, whereas system B contains 200 kJ of
2 answers
4,248 views
Suppose a monopolist faces production function Q = 3KL and demand
function Q = 12 − P. Derive the input demand (as a function
0 answers
1,050 views
Prove that all altitudes of a rhombus are conqruent
1 answer
482 views
Answers (11)
Hdhjrtj
Good
Kansozn
its 4 for the first one (see previous school lessons)
Three angles of a quadrilateral are in the ratio 2:3:7.The mean of these angels is 64 degrees. Find all the four angles?
The synovial fluid between two bones get dried up as the age increases and two bones start rubbing with each other.
I could invent a new toy
The balanced chemical equation for reaction of Ba(OH) and HCl is as follows: Ba(OH) + 2HCl BaCl + 2H O 1 mole Ba(OH) produce 2 moles OH ions. Number of moles of OH ion in solution = concentration of Ba(OH) x volume of Ba(OH) = 0.1 mol L x 0.03 L x 2 =
2/3 mole
I made a 50/100 by using these answers. Useless
5x+3y=23.5 5x+ y=20 +2y=3.5 y=1.75 x=(23.5-3y)/5 x=(23.5-3*1.75)/5 x=18.25
