<h2>Problem:</h2>
a 16% tip is left on a 42.50 lunch bill. How much is paid altogether
<h2>Solution:</h2>
![42.50 + 42.50 \times 16\%](https://tex.z-dn.net/?f=42.50%20%2B%2042.50%20%5Ctimes%2016%5C%25)
![= 42.50 + 42.50 \times 0.16](https://tex.z-dn.net/?f=%20%3D%2042.50%20%2B%2042.50%20%5Ctimes%200.16)
![= 42.50 + 6.8](https://tex.z-dn.net/?f=%20%3D%2042.50%20%2B%206.8)
![= 49.3](https://tex.z-dn.net/?f=%20%3D%2049.3)
<h2>Answer:</h2>
<u>$</u><u>4</u><u>9</u><u>.</u><u>3</u><u>0</u><u> </u><u>i</u><u>s</u><u> </u><u>p</u><u>a</u><u>i</u><u>d</u><u> </u><u>a</u><u>l</u><u>t</u><u>ogether</u>
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The data set is roughly periodic, you can see the data that follows a pattern. For example, data point 1 is (1, 102), the 5 is (5, 98) and 9 is (9, 100).
Every 4 periods, the values resemble each other.
The same can be shown with the point (2, 76) and the point (6, 74) and (10, 75).
Therefore, it can be concluded that the period is 4 and the amplitude approximately 25.
Finally, the correct option is the third.
Period 4 and approximate amplitude of 25
The incenter of a triangle is where the angle bisectors of the triangle meet. That means angle A is 64, angle B is 74, and using the triangle angle sum, angle C is 42 degrees. Divide that in half to get the measure of DCA, 21 degrees.
Answer:
we know that the most repeated value is mode and here we can see that the most repeated value is 11 that is 20 times so it's mode is 11.
Hope you understood