I asked some friends how old they think they will be when they get married. Here are their answers:
2 answers:
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Answer:
∠ YZX ≈ 19.7°
Step-by-step explanation:
using the sine ratio in the right triangle.
sin YZX = =
=
, then
∠ YZX = (
) ≈ 19.7° ( to 3 significant figures )
Answer:
B
Step-by-step explanation:
<em>Let be the radius of one sphere.</em>
- Volume of sphere is
Since radius is r, the height of the cylinder will be
Also, the cylinder has the same radius as the sphere:
- Volume of Cylinder is
Plugging in the values we get:
<u>Ratio of volume of 1 sphere to volume of cylinder is</u>:
The ratio is 1:3
Answer choice B is right.