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Payroll deductions |
2009-03-29 |
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From Jim: I want to set up a spread sheet where i can enter my hourly pay or gross income,
and calculate my tax deductions. I have my old pay stubs but I am stuck when I
take the amount of the deduction and try to figure out the % used to calculate the amount
for example gross pay $1359, EI= $64, Fed Tax=$129, Prov tax = $35
these numbers I have provided are random but I think you can get the idea Answered by Penny Nom. |
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A rolling wheel |
2009-03-29 |
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From Jules: How far does a wheel of radius 2 feet roll along level ground in making
300 revolutions? Answered by Penny Nom. |
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Adding in base six |
2009-03-29 |
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From Lucy: If you are working in base 6,
what do you have to add to 4(base 6) to get 10(base 6)???? Answered by Penny Nom. |
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A trip at two different speeds |
2009-03-28 |
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From A student: Good afternoon!
An automobile travels 4 hours at an average speed of 42MPH. How much
longer must the truck travel at an average speed of 55MPH so the
average speed for the total trip will be 50MPH?
Thank you for your assistance! Answered by Penny Nom. |
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A parabolic arch |
2009-03-28 |
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From Jeni: A doorway is in the shape of a parabolic arch.
Find the width of the doorway 1m above the floor.
Given: the height and the width of the doorway is 4m and 3m respectively. Answered by Penny Nom. |
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The speed of a tire in revolutions per minute |
2009-03-28 |
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From Jules: Suppose that a tire on a car has an outer diameter of 2,5 feet. How many
revolutions per minute does that tire make when the car is travelling 60
miles per hour? (hint:first find the angular velocity in radians per minute.) Answered by Harley Weston. |
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Subdividing a four-sided lot |
2009-03-27 |
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From kannan: i have a 1.5 acre land having four sides
A-B=64.8 meters
B-C=94.2 meters
C-D=54.4 meters
D-A=127.2 meters
angle at D is 90
the side AB (frontage)is road facing i want to split the plot in to two halves
having same almost area and almost equal frontage, kindly help me, if possible
explain with drawing.
Regards
Kannan Answered by Harley Weston. |
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Uses of Pythagorean theory |
2009-03-27 |
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From Britta: Please, give me some complex real life situation examples where the pythagorean theory is used. It must be a grade 8 or grade 9 level of thinking as that is what is my teacher's demands. Answered by Robert Dawson. |
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My son has locked his ipod and can't remember the combo. |
2009-03-27 |
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From peggy: my son has locked his ipod and can't remember the combo. He knows it has the numbers 2-5-8 in it but not the fourth number or the order. could you help us? Answered by Robert Dawson. |
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A 5 ounce object traveling at 60 mph |
2009-03-27 |
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From James: if a 5 ounce object traveling at 60 mph at 100 feet above the ground, how far will it travel forward before hitting the ground. Answered by Robert Dawson. |
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An isosceles triangle |
2009-03-26 |
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From sela: An isosceles triangle has two equal sides of length 10 cm. Theta is the
angle between two equal sides.
a) Express area of a triangle as a function of theta
b) If theta is increasing at a rate of 10 degrees/minute, how fast is area
changing at the instant theta=pi/3?
c) at what value of theta will the triangle have the maximum area?
Answered by Penny Nom. |
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A cord length and angle measurement |
2009-03-26 |
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From larry: i have a radius of 185". and an arc length of 186.5". how do i find the arc degrees
or cord length? Answered by Harley Weston. |
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Profit as a percent |
2009-03-26 |
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From Danny: If I have something that cost me .38 and I want to sell it for $1.00 what is my profit % on this item Answered by Robert Dawson. |
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Depth to height ratio |
2009-03-26 |
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From Janet: Is there a formula to determine how deep something (a cabinet) should be based on how tall it is? Answered by Robert Dawson. |
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The base of a triangle |
2009-03-25 |
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From yinna: how do I find the base of a triangle who's height is 2 times the base and the area is 9? Answered by Penny Nom. |
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