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vagabundo [1.1K]
3 years ago
5

Can y’all help me i’m taking a test

Mathematics
2 answers:
deff fn [24]3 years ago
7 0
Decreasing during segment K
Colt1911 [192]3 years ago
3 0

Answer:

Over time, the function is DECREASING. Cho ran at a faster rate during segment K.

Step-by-step explanation:

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Solve for g: 4gh+3=-8
IRINA_888 [86]
You cannot calculate this.
4 0
3 years ago
A winter coat was originally $65 and is now marked up by 2% . What is the price after the markup?
ratelena [41]
It would be 66.3 because 2% Coverts to .02 then you multiply that to 65 and get 1.3 and then you add that to 65
5 0
3 years ago
A radio station claims that the amount of advertising per hour of broadcast time has an average of 13 minutes and a standard dev
zimovet [89]

Answer:

Z = 3.33

Step-by-step explanation:

Z-score:

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:

\mu = 13, \sigma = 1.2

You listen to the radio station for 1​ hour, at a randomly selected​ time, and carefully observe that the amount of advertising time is equal to 17 minutes. Calculate the​ z-score for this amount of advertising time.

We have to find Z when X = 17. So

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

Z = \frac{17 - 13}{1.2}

Z = 3.33

5 0
3 years ago
Karen deposits $150 into her savings account in May and then deposits another $25 in June. She withdrew $105 in July. What is Ka
SVEN [57.7K]

Answer:

her balance in August is $70

Step-by-step explanation:

First, calculate her balance after the deposit in June:

150 + 25

= 175

Then, calculate her balance after July's withdrawl:

175 - 105

= 70

So, her balance in August is $70

7 0
3 years ago
Read 2 more answers
I need help on this question
Alika [10]

Answer:

d

Step-by-step explanation:

8 0
3 years ago
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