Question

Three cubes of edges x cm, 4 cm and 5 cm are melted and shaped into a large cube of edge 6 cm. Then the value of x
​

Answer 1

Answer:

your answer will come 15x

Step-by-step explanation:

4x+5x+6x= 15x

hope it is helpful for you

Answer 2

Step-by-step explanation:

Given the three cubes of metal whose side are 3 cm , 4 cm and 5 cm

Then volume of cube who side 3 cm=(3)3=27cm3

And  volume of cube who side 4 cm=(4)3=64cm3

And  volume of cube who side 5 cm=(5)3=125cm3

Total volume of melted cube=27+64+125=216cm3

Then the side of new cube=a3=216

⇒a=6cm

#aswad