3x+5=19
-5 -5
3x=14
/3 /3
x= 4 2/3
The geometric mean 4.472135955 hope this helps
The number is 90.
<h3>
What is the number?</h3>
Percentage can be described as the fraction of an amount that is expressed as a number out of hundred. The sign used to represent percentage is %. Percentages are a measure of frequency.
When the number is decreased, the number becomes smaller. This means that the original number is larger than 81.
The equation that can be used to represent the information in the question is:
(1 - percentage decrease) initial number = 81
(1 - 0.1)x = 81
0.9x = 81
x = 81 / 0.9
x = 90
To learn more about percentages, please check: brainly.com/question/25764815
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Answer:
148.5 meters^3
Step-by-step explanation:
The volume of a rectangular prism can be found using the following formula.
V=l*w*h
The length is 6 meters. The height is 4.5 meters. The width is 5.5 meters. Substitute these values into the formula.
V=6*5.5*4.5
Multiply all the values together
V=33*4.5
V=148.5
Add appropriate units. Volume uses units^3 and the units are meters.
V=148.5 meters^3
The volume of the rectangular prism is 148.5 cubic meters.
