SOMEONE HALP MEEEEEEEE
2 answers:
Answer:
This I am not so sure though but might be correct but what the heck xD
Step-by-step explanation:
2)
There are three points labelled
The points whose (x , y) values represent the group reaching its fundraising goal would be B(180,21) as its on the line which means it satisfies the equation. The other points A and B are anomalies which don't lie on the line and thus don't satisfy the equation. So 180 tickets were sold during 21 hours of rental thus reaching the fundraising goal.
3)
The graph would be a solid line that represents the situation (180,21)
If it were (200,5) the line would have been dotted and the area shaded would be under the line .
If it were (100,10) the line would have been dotted and the area shaded would be above the line
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Answer:
The minimum score required for an A grade is 83.
Step-by-step explanation:
Normal Probability Distribution:
Problems of normal distributions can be solved using the z-score formula.
In a set with mean and standard deviation
, the z-score of a measure X is given by:
The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the p-value, we get the probability that the value of the measure is greater than X.
Mean of 72.3 and a standard deviation of 8.
This means that
Find the minimum score required for an A grade.
This is the 100 - 9 = 91th percentile, which is X when Z has a pvalue of 0.91, so X when Z = 1.34.
The minimum score required for an A grade is 83.
Answer:
-600
Step-by-step explanation:
The rate of change of a function f(x) in a certain interval is the ratio between the change of the function and the change in the value of x:
The rate of change of a function tells how much the value of the function is changing per change in unit of x: therefore, for a linear function it corresponds to the slope of the line.
In this problem, the function f(x) is equal to the value of the business machine in dollars, while the variable x represents the number of years.
Here we are told that the machine was purchased for
while its value decreases by $600 each year, so
This means that the linear function that represents the value of the machine after x years is:
Therefore, the rate of change of the function is -600.