TAP MATH 6

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Author:
shockwave
ID:
263183
Filename:
TAP MATH 6
Updated:
2014-02-21 19:25:09
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TAP MATH
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TAP MATH 6
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TAP MATH 6
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  1. A triangle with no sides equal is called a _______ triangle.

    An _______ triangle is a triangle with (at least) two equal sides.

    A triangle with all sides equal is called an _______ triangle.
    scalene...zero sides equal 

    isosceles...2 sides equal

    equilateral...3 sides equal
  2. QP = QR THEN WHAT TYPE OF TRIANGLE IS IT? 
    • ISOSCELES. 
    • TWO SIDE ARE EQUAL. 
    • TWO ANGLES ARE EQUAL.
  3. NAME THE FORMULAS FOR THE 
    DIAMETER, CIRCUMFERENCE AND AREA OF A CIRCLE.
  4. WHEN MULTIPLYING BY 100, 1000, 10,000 ECT HOW DOES THE DECIMAL MOVE?
    COUNT THE ZERO AND MOVE DECIMAL THE SAME AMOUNT TO THE RIGHT. 

    1.57 x 100 = 157.00

    2 ZEROS, TWO STEPS TO THE RIGHT.
  5. 1/2 OF 3.14 = ?
    1.57

    MIGHT NEED IT FOR AN AREA PROBLEM.
  6. WHAT IS THE SIMPLE PROBABILITY FORMULA?
    • Number Of Ways Event  Can Occur (WANT)
    • ---------------------------------------------------
    • The total number Of Possible Outcomes

    REMEMBER TO SUBTRACT WHAT YOU TAKEN OUT FOR THE NEXT PROBABILITY.
  7. A=5%   B =10%   C=40%
    NOTICE HOW YOU ADD THE 3 TOGETHER BECAUSE IT ASKS FOR THE PROBABILITY OF A,B OR C.  

  8. DEFINE CORRELATION AND HOW IT WORKS.
    CORRELATION IS A WAY TO MEASURE HOW ASSOCIATED OR RELATED TWO VARIABLES ARE. 

     THE SIGN DOES NOT TELL YOU OF THE STRENGTH, JUST DIRECTION. 

    1 is a perfect positive correlation (STRONG)

    • 0 is no correlation
    • (the values don't seem linked at all)

    -1 is a perfect negative correlation (ALSO STRONG BUT NEG OR DOWN DIRECTION)
  9. DEFINE STANDARD DEVIATION.
    The Standard Deviation is a measure of how spread out numbers are.

    Its symbol is σ (the greek letter sigma)

    A LARGE SD INDICATES THAT THE DATA POINT ARE FAR FROM THE MEAN.


    A SMALL SD INDICATES THAT THE DATA POINTS ARE CLUSTERED CLOSELY AROUND THE MEAN. 
  10. IN DETERMINING PROBABILITY OF TWO EVENTS DEFINE MUTUALLY EXCLUSIVE AND TWO SUB-EVENTS.
    • MUTUALLY EXCLUSIVE IS WHEN THE OCCURRENCE OF ONE MAKES THE OTHER IMPOSSIBLE.
    • LOOK FOR "OR".
    • ADD THE FRACTIONS. 
    • TWO SUB EVENTS HAVE NO EFFECT ON EACH OTHER. 
    • LOOK FOR "AND"
    • MULTIPLY THE FRACTIONS. 

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