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sesenic [268]
3 years ago
15

The local library charges 6 cents for each day a book is overdue plus a one-time record keeping fee of 19 cents. the function ta

ble below shows the relationship between the number of days a book was overdue and the total penalty in cents.
what would be the total penalty for a book that was 37 days overdue?

Mathematics
1 answer:
Natasha2012 [34]3 years ago
5 0
B. 241
Because (6•37)+19=222+19=241 cents
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The sum of four consecutive integers is 106. What is the largest number?
ratelena [41]

Answer:

28

Step-by-step explanation:

25+26+27+28=106

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3 years ago
3. The graph y = x2 - 3 is translated down 6 units. What would be the new function rule? Y=8² - 9 À​
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Find the gradient, picture below
hoa [83]

Answer:

\frac{dy}{dx}  =  \frac{13}{8}

Step-by-step explanation:

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When x = 4,

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3 0
2 years ago
Read 2 more answers
Test scores are normally distributed with a mean of 500. Convert the given score to a z-score, using the given standard deviatio
Bond [772]

Answer:

The percentage of students who scored below 620 is 93.32%.

Step-by-step explanation:

Problems of normally distributed samples are solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

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 pvalue, we get the probability that the value of the measure is greater than X.

In this question, we have that:

\mu = 500, \sigma = 80

Percentage of students who scored below 620:

This is the pvalue of Z when X = 620. So

Z = \frac{X - \mu}{\sigma}

Z = \frac{620 - 500}{80}

Z = 1.5

Z = 1.5 has a pvalue of 0.9332

The percentage of students who scored below 620 is 93.32%.

3 0
3 years ago
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Serga [27]

Answer:

It has a maximum

Step-by-step explanation:

The way I think about it is looking at "a" (the leading variable's coefficient, so __x²), if it's negative, the graph is a frown, but if it's positive, it's a smile. In this case, a is -2, so the graph would have the shape of a frown, which has a maximum.

I hope this helped!

8 0
3 years ago
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