Answer:
38.81cm³
Step-by-step explanation:
Volume of a sphere = 4/3πr³
Diameter is 4.2
radius= 4.2/2 = 2.1 or 21/10
4/3 × 22/7 × 21/10 × 21/10 × 21/10
= 4851/125
= 38.808
≈38.81cm³
Answer:
588 square centimetres
Step-by-step explanation:
42*28/2=588
The answer is 9 in and your welcome
Answer:
It would be about $9
Step-by-step explanation:
you would round $10.80 to $11 because it says to estimate and then you do 20-11 which is 9 so the answer is $9
Answer:
15/2
Step-by-step explanation:
Subtract 5x from both sides of the equation to find out.
5x +3x -5x = 5x +15/2 -5x . . . . . . subtract 5x
3x = 15/2 . . . . . . . . . . . . . . . . . . . . collect terms
The required value of 3x is 15/2.