21. Glass Vase You are taking a glass-blowing class and have created a vase in the
1 answer:
Answer:
V = 12,348·π
Step-by-step explanation:
The given parameters of the glass Vase are;
The shape of the glass vase = A sphere
The radius of the vase, r = 21 inches
The given formula for finding the volume of a sphere is
Therefore, when r = 21 inches, we get;
Therefore, the expression for finding the equation of the spherical glass vase, V = 12,348·π
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Answer:
Janet has coins worth 252.5, 101, and 50.5.
Step-by-step explanation:
Let us call the three coins , and
.
The first coin is 5 times another coin<em> (let's say </em>
); therefore,
,
and the third coin is 2 times the value of another coin<em> (it's coin </em><em>):</em>
<em /><em>.</em>
The total worth of all coins is 404; therefore,
or
with the value of in hand, we find
and
:
and for
Thus, Janet has 3 coins worth 252.5, 101, and 50.5.