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BRUCE S.'s Resources

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dividendss (answer)

ASSUME THE DIVIDENDS ARE PAID ANNUALLY AFTER THE CAPITAL GAIN IS ADDED TO THE STOCK VALUE.( HOW THE DIVIDENDS ARE PAID IS NOT SPECIFIED.)   RETURNS                 dividend yields          capital gain   TOTAL...

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how to solve quadratic equation (answer)

See the previous question's solution. Use the form of the quadratdic equation and it's solution equation for s to find a, b, c.

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how to solve quadratic equation (answer)

QUADRATIC EQUATION FORM IS:     a*x^2 + b*x + c =0   IF YOU CAN'T FACOTOR THIS THEN USE THE FORMULA FOR x IS:     x = [ -b ±√{ b ^2 - 4*a*c } ] /2*a   BY INSPECTION:       b = -4.51     a =...

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What is 9% of22? (answer)

9% in fractions is 0.09 9% of 22 is   0.09 * 22 = 1.98  or with significant digits only, 2.0

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sec(arctan(3/4)) (answer)

arctan(3/4) means 'What angle has a tangent of 3/4 or 0.75'   The sec of that means 'What is the secant of that angle.   arctan(0.75) = 36.86 degrees   sec is the reciprocal of the cosine function   sec(36.86) = 1/cos(36.86) = 1/0.8 = 1.25...

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word problem (answer)

This is an application of the the definition of tangent function:   tan ( angle of sun light) = Opposite side / Adjacent side    tan ( angle of sun light) = Object height / Shadow length   Initial case:  Tan ( angle of sun ) = 5.7 / 17.1    2nd...

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(8m7c9)(3m9c7) (answer)

Break up one factor into individual factors and then multiply, as follows:   (8m7c9)(3m9c7) = (8m7c9)(3)(m)(9)(c)(7)                            = {(8m7c9)(3)} (m)(9)(c)(7)   Note that (8m7c9)(3)...

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Solve for X: | 2x/3-1 |=3/5 (answer)

ABS(2/3*X -1) =3/5   TAKE THE POSITVE FORM OF THE ABS, IE   2/3*X -1 =3/5   REARRANGE AND SIMPLIFY TO FIND X=12/5   CHECK THIS ANSWER BY SUBSTITUTING INTO THE ORIGINAL EQUATION   ABS( 2/3*12/5 -1) = 3/5   2/3*12/5 -1 =...

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solving application linear equations (answer)

For lack of a drawing tool, the planets look like this:   SUN <-- D2 --> P2 <--29.3 --> P1 <-- 25.4 --> P3   where the P's are the planets and the # are the distances between as given.   We need to find D2, distance of P2 from the sun.   The...

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If x=5 , then x+7 = 5+7 . (answer)

It is already done.  Here is how it is done (and usually presented):   Basically you have a relationship  x+7=y. The problem asks " If x = 5, what is y?"   Do the problem by substituting the value 5 for x in the original equation, ie: x+7=y 5+7=12=y...

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y-4=(x+2)^2 (answer)

Ruby,    You can expand the square and rearrange into the standard form for a polynomial: y-4=(x+2)^2 y-4= x^2 + 4x + 4 y = x^2 + 4x + 8 And then you can plot it.  Turns out to be a parabola, open upwards with a minimum at x=-2 and y=4...

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y=x+2 in coordinate plane (answer)

Tina,   Look at the answer to y=-x.   again use the generic straight line formula and/or plot it! Good Luck, BruceS

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y=-x in coordinate plane (answer)

Tina,     Think of the generic straight  line equation:   y = mx + b.    In this case b = 0 (the y intercept).    m, the slope, equals -1.   So this is just a straight line, passing through x=0,y=0 and sloping from lower right to upper...

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solve 18000-1200x>4700 (answer)

Hi Rj, Just straight forward algebraic re-arrangement. 18000-1200x > 4700 subtract 18000 from bothsides:    18000 - 18000 - 1200x > 4700 -18000   - 1200x >  -13300 multiply both sides by -1 (remember to reverse the > sign!! because of...

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