subject
Mathematics, 25.05.2021 23:40 Ashu638

A solid metal cube of side 20cm is melted down and made into 40 solid spheres, each of radius r cm Find the value of r

[The volume of a sphere with radius is V=4/3 pie r^3

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 12:40
The surface area (sa) of a cube with a as the length of each of its sides is given by the formula . if the surface area is known, how can you rewrite the formula to find its side?
Answers: 1
question
Mathematics, 21.06.2019 17:00
Write numerical coefficient of yΒ² in the expression 2xΒ² - 15xy – 7yΒ²
Answers: 1
question
Mathematics, 21.06.2019 17:30
The marriott family bought a new apartment three years ago for $65,000. the apartment is now worth $86,515. assuming a steady rate of growth, what was the yearly rate of appreciation? what is the percent of the yearly rate of appreciation?
Answers: 1
question
Mathematics, 21.06.2019 18:30
The length of a rectangle is x times the square root of 100. the width is one-half y more than three-halves x. given that the area of the rectangle is 125 cm2, which equation could represent the rectangle in terms of x and y? a) 5xy βˆ’ 15x = 125 b) 5xy + 15x = 125 c) 15x2 βˆ’ 5xy = 125 d) 15x2 + 5xy = 125
Answers: 2
You know the right answer?
A solid metal cube of side 20cm is melted down and made into 40 solid spheres, each of radius r cm...
Questions
question
Mathematics, 26.02.2021 18:40
question
Mathematics, 26.02.2021 18:40
question
Mathematics, 26.02.2021 18:40
question
Mathematics, 26.02.2021 18:40