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Tanzania [10]
3 years ago
12

In which subject did students score best on average across these four years?

SAT
2 answers:
Elina [12.6K]3 years ago
6 0
Mathematics level 2 is the highest with the research I have been doing.
DochEvi [55]3 years ago
4 0
<h2>Answer with Explanation </h2>

To discover average you include the scores from each subject and afterward separate them by what number of various numbers you have.  An example is shown below, like if there were three subjects who got different scores. The next step would be to add the score of all subjects.

Example

- 1+2+3=6  

After adding the total sum will be divided by the number of students.

- 6/3=2  

When you have the midpoints of all subjects over the 4 years, the one that is most noteworthy will be answer.  


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What mass of glucose (C6H12O6) should be dissolved in 12. 0 kg of water to obtain a solution with a freezing point of -5. 8 ∘C?.
bogdanovich [222]

The mass of glucose solute dissolved in the solution is 6.739 Kg.

Recall that;

ΔT = K m i

ΔT = Freezing point depression

K =Freezing point depression constant = 1.86°C/mol

m = molality of the solution

i = Van't Hoff factor = 1 (molecular solution)

We have to find the freezing point depression from;

Freezing point depression = Freezing point of pure solvent - Freezing point of solution

Freezing point of pure water = 0°C

Freezing point of solution = -5. 8 ∘C

Freezing point depression = 0°C - (-5. 8 ∘C) = 5. 8 ∘C

Now;

m = ΔT/K i

m = 5. 8 ∘C/ 1.86°C/mol × 1

m = 3.12 m

But molality = number of moles of solute/mass of solvent in Kg

Molar mass of solute = 180 g/mol

Let the mass of solute be m

3.12 = m/180/12

3.12 = m/180 × 12

m = 3.12 × 180 × 12

m = 6739 g or 6.739 Kg

Learn more: brainly.com/question/6249935

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The hardest question ever. in SatMath. please help me
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Answer:

750

Explanation:

<em>I'm gonna make my best effort here... (it's been a long hecking time since SAT math last year :P)</em>

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y = 5x

y = 5(150)

y = 750

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The point is (150, 750) and b = 750

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Answer:

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Answer:

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4. It lead country to rapid pace development.

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