HELP I NEED HELP ON NUMBER 17
2 answers:
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Answer:
The subset of rational numbers
Step-by-step explanation:
Rational numbers are numbers that can be expressed in the form a/b where ad b are integers. The number is a number with a recurring decimal of 5 and every recurring decimal can be expressed in the form a/b where a and b are both integers therefore, every number with recurring decimal is a rational number.
In the question, can be written as follows;
or
.
Step-by-step explanation:
Volume of a sphere is
plug in 70 ft for the radius to get 1,436,755 cubic ft then divide that by 4 since the prompt describes a quarter sphere, giving you a tank volume of 359,189 cubic ft.
Volume of a cylinder is
from the second prompt we know the tanks are identical since they are said to be congruent which means the hight and radius are the same. Plug in 120 f for h and 35 ft for r to get the volume of a cylinder and then divide that by 2 to get the volume of a single tank. the volume of both tanks would be
To show tank model is a sixth of the original so you divide the radius by 6 and perform the same calculation as in the first portion of the problem ro get the volume a quarter sphere
To get the percentage of the model relative to the original you divide the models volume by the full scale volume
which is less than 1% of the full scale volume.