mairamac32 mairamac32
  • 11-01-2019
  • Mathematics
contestada

Can anybody help me find the answers to these problems

Can anybody help me find the answers to these problems class=

Respuesta :

jimrgrant1 jimrgrant1
  • 11-01-2019

Answer:

see explanation

Step-by-step explanation:

(1)

the volume (V) of a cube of side s is V = s³ = 64

Take the cube root of both sides

s = [tex]\sqrt[3]{64}[/tex] = 4 in

(2)

the area (A) of a square face = s² = 4 × 4 = 16 in²

(3)

the surface area (SA) is the area of all 6 faces of the cube, hence

SA = 6 × 16 = 96 in²

(4)

the amount of wood required is the value of the surface area, that is

96 in² of wood is required to make the box




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