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41 Cards in this Set
- Front
- Back
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Area-Rhombus
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(1/2)d1 x d2*
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Median
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the middle term when written in increasing order
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Area of Triangle
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1/2 (side) (altitude to side)
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(a+b)(a-b)
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(a^2*-b^2*)
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Mean
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average:
sum of terms/#of terms |
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Surface Area-Rectangular Solid
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2lw+2wh+2lh
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EVEN - EVEN
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EVEN
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EVEN x EVEN
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EVEN
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ODD + EVEN
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ODD
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EVEN + EVEN
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EVEN
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(a-b)^2*
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(a^2*-2ab+b^2*)
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Mode
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the most common term
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ODD x EVEN
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EVEN
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Area-Circle
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r*
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ODD x ODD
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ODD
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Sum of the interior angles, where n is the number of sides
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Sum=(n-2)180
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Midpoint formula
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(x1+x2/2, y1+y2/2)*
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Distance formula
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Sq. Rt. (x2-x1)^2+(y2-y1)^2*
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Combination
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ORDER DOESNT MATTER--R from a group of N
(n!)/(n-r)!(r!) |
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ODD - EVEN
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ODD
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of
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multiply
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Area-Trapeziod
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(1/2)h ( b1+b2)*
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Permutation
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ORDER MATTERS--R from a group of N
(n!)/(n-r)! |
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Diagonal-Cube
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Sq. Rt. 3s^2*
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Diagonal-Rectangular Solid
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Square Root l2+w2+h2
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Surface Area-Cube
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6s2*
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Fractional Circumference-Circle
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(x/360)2pir*
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Circumference-Circle
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2pir*
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Volume-Rectangular Solid
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lwh
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Area-Parallelogram
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(length) ( heighth)~
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Fractional Area-Cricle
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(x/360) r*
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(a+b)^2*
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(a^2*+2ab+b^2*)
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ODD - ODD
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EVEN
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Volume-Cube
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s^3*
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Surface Area-Cylinder
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2(pir^2)+(2pir)h*
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If one individual can complete a job in H1* hours alone, and another individual can complete the same job in H2* hours alone, then the amount of hours it would take them to complete the job working together, T, is given by the equation:
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T/H1* + T/H2* = 1
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QC--cant be D if...
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there are no variables
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If group of size N1* completes a job in H1* hours, and another group of size N2* completes the same job in H2* hours, then
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N1* x H1* = N2* x H2*
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Total Group People
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Group 1 + Group 2 - Both + Neither=Total
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ODD + ODD
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EVEN
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Volume-Cylinder
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(pir^2)h
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