The surface area of the cube is 600cm^2.
6(10^2)
6(100)
600
What grade is this i think ive done this before i may be able to help
the answer will be -5
Step-by-step explanation:
because you have to minus 5 and 10
so the answer will be x =- 5
Answer:
Step-by-step explanation:
You need to set up a proportion.
(21 - 15) / 21 = 4/(x + 4)
6 / 21 = 4/(x + 4)
2/7 = 4/(x + 4)
2(x + 4) = 7*4
2x + 8 = 28
2x + 8-8= 28 - 8
2x = 20
x = 20/2
x = 10
