Solve the system of equations: 5x + 3y = 23 3y = 15x - 21
1 answer:
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Answer:
<h2>x = 745.5 ft</h2>Step-by-step explanation:
Look at the picture.
Use sine:
We have a measure of the angle and length of the opposite:
Substitute:
<em>cross multiply</em>
<em>divide both sides by 4695</em>
If Sixty-five randomly selected car salespersons were asked the number of cars they generally sell in one week. Then the mean of the sample is 3.75.
<h3>What is Mean?</h3>The average of a group of numbers is simply defined as the mean. In statistics, the mean is regarded as one of the indicators of central tendency.
Sixty-five randomly selected car salespersons were asked the number of cars they generally sell in one week.
Fourteen people answered that they generally sell two cars; nineteen generally sell three cars; twelve generally sell four cars; nine generally sell five cars; eleven generally sell six cars.
Then the mean of the sample will be
Then the table is given below.
Then we have
More about the mean link is given below.
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