Exactly 80 liters of 20% are needed.
Let quantity of 20% alcohol solution be added : x liters
Here is the work:
> x*20% + 40 * 50% = (x+40) * 30%
> x*0.2 + 40*0.5 = (x+40)*0.3 ..(converting percentages into decimal)
> 0.2x + 20 = 0.3x + 12
> 20-12 = 0.3x - 0.2x (Rearranging similar terms)
> 8 = 0.1 x
Hence x = 8/0.1
Ans 80 Litres
An observation about this animal that will help you to find its taxonomic classification is if: the animal has sharp, pointed teeth.
<h3>What is taxonomy?</h3>
Taxonomy can be defined as a scientific method or technique that is typically used for naming, classification and description of the various species of organisms such as animals, humans, and plants.
<h3>The characteristics of
taxonomic classification.</h3>
Basically, organisms that share several classification levels would have common characteristics such as:
In conclusion, an observation about this unfamiliar animal that will help you to find its taxonomic classification is if the animal has sharp, pointed teeth.
Read more on taxonomy here: brainly.com/question/1304906
Answer: 58.643 cm^3
Explanation:
Volume of a cone = (1/3) * π * r^2 * h
Half of the diameter is the radius, so r = 2 and h = 14.
Plug in: V = (1/3) * π * 2^2 * 14 = 58.643 cm^3 :)
If triangle ABC undergoes a dilation of scale factor 3 centered at the origin, the coordinate of the image of point B is known to be option D. (6,9).
<h3>What is the dilation about?</h3>
The term Dilation is known to be a kind of a transformation, that is used to change the size of an object.
Note that Point B has coordinates of (2, 3)
So the Dilation factor 3 will alter the coordinates as:
(2*3, 3*3)
= (6, 9)
Hence, If triangle ABC undergoes a dilation of scale factor 3 centered at the origin, the coordinate of the image of point B is known to be option D. (6,9).
See full question below
If triangle ABC undergoes a dilation of scale factor 3 centered at the origin, what will be the coordinate of the image of point B?
A. (6,3)
B. (2,9)
C. (5,6)
D. (6,9)
Learn more about triangles from
brainly.com/question/18578450
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