The length 'x' of a rectangle is decreasing at the rate of 3cm/m and the width 'y' is increasing at the rate of 2cm/m.find the rates of change of :
(a) the perimeter (b) the area of the rectangle when X = 8 cm and y = 6 cm.
Question
Maths
Jan. 29, 2018, 8:32 p.m.
Answer
A rectangular block is 30 cm long, 25 cm broad and 8 cm high. How many pieces of rectangular slices of each 5 mm thick can be cast lengthwise from it?
Its answer is 300000.
Show me its process.
find the equation of the circle which passes through the centre of the circle x squared plus y squared 8 x 10 Y - 7 equal to zero and is concentric with the circle 2 X square 2 Y squared minus 8 x minus 12 minus 9 equal to zero
How to convert Rs.20/m^2 to Rs. /cm^2. Mean how to convert rate per square meter into rate per square centimetre?
Maths
Jan. 29, 2018, 6:37 p.m.
Answer
In this problem 1 you told we observe 127-126=1 where they gave this
Maths
Jan. 29, 2018, 6:10 p.m.
Answer
Two Triangles having the same base and equal area in between same parallels
