The set of natural numbers
Answer:
the answer is 5/8
Step-by-step explanation:
Answer:
Step-by-step explanation:
The attached diagram is a useful tool for working mixture problems. It shows the desired mix is
.. 1 kg of 30% gold
.. 3 kg of 10% gold
Answer:
or
Step-by-step explanation:
The surface area of a sphere is:
Where r is the radius of the sphere
In this case we know that
So
We solve the equation for r
Now we know the radius of the sphere.
The volume of a sphere is:
We substitute the value of the radius in the formula