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Payroll deductions |
2009-03-29 |
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Jim pose la question :
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
Penny Nom lui répond. |
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A rolling wheel |
2009-03-29 |
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Jules pose la question :
How far does a wheel of radius 2 feet roll along level ground in making
300 revolutions?
Penny Nom lui répond. |
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Adding in base six |
2009-03-29 |
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Lucy pose la question :
If you are working in base 6,
what do you have to add to 4(base 6) to get 10(base 6)????
Penny Nom lui répond. |
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A trip at two different speeds |
2009-03-28 |
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A student pose la question :
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!
Penny Nom lui répond. |
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A parabolic arch |
2009-03-28 |
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Jeni pose la question :
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.
Penny Nom lui répond. |
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The speed of a tire in revolutions per minute |
2009-03-28 |
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Jules pose la question :
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.)
Harley Weston lui répond. |
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Subdividing a four-sided lot |
2009-03-27 |
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kannan pose la question :
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
Harley Weston lui répond. |
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Uses of Pythagorean theory |
2009-03-27 |
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Britta pose la question :
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.
Robert Dawson lui répond. |
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My son has locked his ipod and can't remember the combo. |
2009-03-27 |
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peggy pose la question :
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?
Robert Dawson lui répond. |
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A 5 ounce object traveling at 60 mph |
2009-03-27 |
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James pose la question :
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.
Robert Dawson lui répond. |
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An isosceles triangle |
2009-03-26 |
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sela pose la question :
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?
Penny Nom lui répond. |
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A cord length and angle measurement |
2009-03-26 |
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larry pose la question :
i have a radius of 185". and an arc length of 186.5". how do i find the arc degrees
or cord length?
Harley Weston lui répond. |
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Profit as a percent |
2009-03-26 |
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Danny pose la question :
If I have something that cost me .38 and I want to sell it for $1.00 what is my profit % on this item
Robert Dawson lui répond. |
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Depth to height ratio |
2009-03-26 |
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Janet pose la question :
Is there a formula to determine how deep something (a cabinet) should be based on how tall it is?
Robert Dawson lui répond. |
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The base of a triangle |
2009-03-25 |
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yinna pose la question :
how do I find the base of a triangle who's height is 2 times the base and the area is 9?
Penny Nom lui répond. |
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