816Danny

My question: Find the mean, median and mode for the following set of numbers: 8, 4, 3, 3, 5, 7 8-16Dannyanswers
 * Mean Median Mode**
 * 1) MEAN:The mean is also known as the average. To find the mean, you add all pieces of data. Then you divide the sum of all data by the number of pieces of data.
 * 2) MEDIAN//:// The median is also known as the middle number. To find the mean, arrange all the data in numerical order from smallest to largest. Then partner up the numbers. If there are two medians, you add them together and divide by 2. The answer will then be the mean.
 * 3) MODE//:// The mode is also known as the most common number. You can't have more than one mode.You can't have no mode.
 * Numerical order (smallest to largest)

My Question: What is the square root of 38? How to solve: To get the whole number you have to look on the Square Root Chart for the two square roots the number you have chosen is in between. The lower number will be your whole number. To figure out the numerator, you subtract the smaller square root from from largest square root. In this case you subtract 49 from 64 which is 15. To figure out the denominator, you subtract the first square root from the number you have chosen. In this case you subtract 49 from 52 which is 3. 8-16Dannyanswers
 * Square Roots**
 * 1) //Perfect Square//: A perfect square is a square that has the same number for all four sides.
 * 2) //Square Root//: Square Root is the product (answer of a multiplied question) when a number is multiplied by itself.
 * 36(6) 38(6?) 49(7)**

Is taking off 15% off a given item and then an additional 10% off the reduced price the same as taking 25% off the original price? Why or why not? First you must pick a number that is easy to work with, like 100. Then divide that by 10. 100/10=10. Then you subtract that from 100. 100-10=90. Now you find what 15% of 90 is. 90/15=6. Now subtract that from 90. 90-6=84. Now to get 25% of a number, you just divide by 4. 100/4=75 8-16Dannyanswers
 * Percent**

1. If 40 CDs cost $20, calculate the cost of 20 CDs. Use a word ratio and fractions. How to solve: The word ratio would be **CDs/$**. 20 multiplied by 2 equals 40, so you divide $20 by 2 and it equals $10. 2. A child can run 5 blocks in two minutes. How long does it take the child to run 15 blocks, at the same speed? Use a ratio table. How to solve: To use a ratio table you have to have blocks on one side and minutes on the other. 15 divided by 3 equals 5, so 2 multiplied by 3 equals 6. 8-16Dannyanswers
 * Two Ratio Questions**

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 * Parent Notes explaining topic || /2 || /2 || /2 || /2 || /2 ||
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