Answer:
The amount of potassium chloride that can dissolve in water increases by 0.3 grams for every 1 degree Celsius increase in temperature.
Explanation:
Given

Required
Interpret 0.3
We make use of the following illustration to answer this question.
Let C = 1

Let C =2

Let C = 3

Notice that when the values of C increases by 1(i.e. from 1 to 2 and 2 to 3), the values of A increases by 0.3
i.e.

Hence, option D is true
Adam can clean a room in 3 hours. If his sister Maria helps, they can clean it in 225 hours. How long will it take Maria to do the job alone?
2 2 = 12 Together time, 2 2 , needs to be converted to fraction 555
Adan:3,Maria:x,Total: 5 Clearlystatetimesforeachandtotal,usingxforMaria 12
1+1= 5 Usingreciprocals,addtheindividualtimesgivestotal 3 x 12
1
1(12x) + 1(12x) = 5(12x) 3 x 12
4x+12=5x −4x −4x 12=x It takes Maria 12 hours
Multiply each term by LCD of 12x
Reduce each fraction
Move variables to one side, subtracting 4x Our solution for x
Answer is - 12 hours
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The value of m in the Balmer-Rydberg equation is equal to TWO (m= 2). It is part of the Balmer series.
<h3>What is the Balmer series?</h3>
The Balmer series is one of a group of series that describe the spectral line emissions of a hydrogen atom.
The Balmer-Rydberg equation refers to a mathematical equation between spectral lines.
The Balmer-Rydberg equation indicates the wavenumber of the spectrum for hydrogen regarding the Rydberg constant.
The Balmer-Rydberg equation considers the wavelength of the photon, the atomic number and integers indicating spectral lines.
Learn more about the Balmer-Rydberg equation here:
brainly.com/question/5295294