873cbanswers

=Question 1.=

10,4,3,7,5,5,9
Mode = Most Common Median = Middle Mean = Average

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=QUESTION 2.=


 * Definition of a SQUARE ROOT : a square root is a number that is multiplied by itself example 5 x 5 = 25

PERFECT SQUARE** **:** a perfect square is any square that has the same length on all sides and no decimals. = = Find the square root of 27. **You may not use a calculator for this question.**

=**You have to first find the closest perfect squares near 27. Which are 25 and 36 and then you subtract 36 from 25, that would give you 11. The next thing is take the square root of 27 and then divide it by 25, that gives you 2.**=

5 is the square root of 27 and 2/11 is your fraction.
=**Question 3. PERCENTS**=

Definition of a PERCENT **:** a percent is an equivalent fraction out of 100. HERE IS A PERFECT SQUARE CHART THAT I HAVE CREATED. =**3. Is taking 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 ?**=

The answer would be no

$100 - 25% = $ 75 $100- 15% equals $85 - 10% = $ 76.50 85/10= 8.5

=**PROPORTION QUESTIONS / solving with fractions and ratio tables.**=

4. Dwyane Wade scored 12 points in 8 minutes. If he keeps scoring at this rate, how many points will he score in a 48 minute game.
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= = =5. Christina practices figure skating an average of fifteen hours per week. Kayla practices figure skating an average of one point five hours for every hour Christina practices. How many hours a week does Kayla practice ?=


 * Christina practices fifteen hours a week and Kayla practices 1.5 hours or (90 min.) for every hour Christina practices, you should just multiply 90 x 15 equals 1350 min. ( 22 hours and 30 min.) Christina equals 60 x 15 900 then divide it by 60 and you get 15 hours. Kayla equals 90 x 15 = 1350 divide it by 60 and get 22 hours and 30 min.**