Answer: hi, i can’t see the photo
Step-by-step explanation:
Answer:
<em><u>10 cm</u></em>
Explanation:
Surface area of cube = 600 cm^2
Side of a cube = ?
Formula:
Total S.A of cube = 6 x (side of cube)^2
= 6 . x^2
600 cm2 = 6 . x^2
x^2 = 600 / 6
x^2 = 100
x = 10 cm
<em>The required side of a cube = 10 cm</em>
3 * 7 = 21, so

Then

and you can rationalize the denominator to write this as

Answer:
y = 1/3
Step-by-step explanation:
