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Viktor [21]
3 years ago
15

A​ self-tanning lotion advertises that a 4 ​-oz bottle will provide seven applications. Jen found a great deal on a 13 ​-oz bott

le of the​ self-tanning lotion she had been using. Based on the advertising​ claims, how many applications of the​ self-tanner should Jen​ expect?
Mathematics
1 answer:
Rainbow [258]3 years ago
5 0

Answer:

22.75 applications

Step-by-step explanation:

From the above question, we understand that:

4 ​-oz bottle = 7 applications

13 ​-oz bottle = x applications

Cross Multiply

4 -oz bottle × x applications = 13 -oz bottle × 7 applications

x applications = 13 -oz bottle × 7 applications/4 -oz bottle

x applications = 22.75 applications

Therefore, the number of applications of the 13 -oz bottle​ self-tanner that should Jen​ expect is 22.75 applications.

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Suppose on a certain test, fifty students earn a perfect score and fifty students earn a zero. determine the mean grade and stan
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Step-by-step explanation:

Let the perfect score be 100.

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"Now the standard deviation of data points are calculated by firstly subtracting mean from every entry and then square the number and take it as new entry and calculate the mean of the new data entry and lastly taking the square root of this new mean".

Here if 50 is subtracted from each entry the new entry will have 50 entries as '50' and 50 entries as '-50'.

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3 years ago
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