Question
A train travels at a certain average speed for a distance of 63 km and then Travels at a distance of 72 km at an average speed of 6 km per hour more than its original speed takes which takes 3 hours to complete total journey whats a what is the original average speed
I do not understand these steps please briefly explain and solve this
Maths
March 30, 2018, 2:40 p.m.
Answer
If A=[cos alpha -sin alpha
sin alpha cos alpha] and A^-1=A^T find the value of alpha
sin alpha cos alpha] and A^-1=A^T find the value of alpha
A heap of rice is in the form of a cone of base diameter 24 m and height 3.5 m. Find the volume of the rice. How much canvas cloth is required to just cover the heap?
Maths
March 30, 2018, 12:20 p.m.
Answer
The auto rickshaw fare in a city is charged as rupee 10 for the first kilometre and rupee 4 per km for subsequent distance covered.write the linear equation to express the above statement.drew the graph of linear equation
Maths
March 30, 2018, 12:11 p.m.
Answer
Twenty seven solid iron spheres each of radius r and surface are s are melted to form a sphere with surface area s .1.find new radius 2.ratio s and s
Find the HCF of 45,75,117 and express with the help of Euclid division algorithm
Maths
March 30, 2018, 11:18 a.m.
Answer
The work done by a body on application of a constant force is directly proportion to the dostance travelled by the body express this in the form of an equation in two variables and write atleast 4 solution by taking constant force as 7 units.