Answer:
(-1,8)
Step-by-step explanation:
The vertex is the point of the parabola and the point is (-1,8) in the graph.
Hope this helps
The amount of Protein intake is 900 kilocalorie.
We have - 2000 Kilocalories of diet and 45 Percent of calories come from Proteins.
Wе have to find out the amount of protein intake.
<h3>If ' x ' students out of total ' n ' students in a class are infected by virus. Then, what percentage of students are infected.</h3>
Percentage of students affected are - 
In the question given -
Let the amount of Protein intake be y.
Then -
45 = y % of 2000
45 = 
y = 
y = 900 Kilocalorie
Hence, the amount of Protein intake is 900 kilocalorie.
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Answer:
Afternoon class has more students.
Step-by-step explanation:
Let m be the number of students in the morning class and n be the number of students in the afternoon class.
The average score for the students in the morning class was 80, then the sum of their scores is 
The average score for the students in the afternoon class was 86, then the sum of their scores is 
The sum of the scores of both classes is

and the average score is

The average (arithmetic mean) score for the two classes combined was 84, then

This means n is greater, so afternoon class has more students.
Answer:
Heating and cooling costs might vary considerably.
The long answer is <span>28.571428%, but I would round it upwards to make it seem more realistic.</span>