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A linear system |
2007-01-04 |
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Harold pose la question :
System A (4, 2/3)
2x-3y=6 and x-3y=2
I approached this problem using the addition method.
Could i have found the answer using the graphing method?
Penny Nom lui répond. |
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The slope-intercept form |
2007-01-04 |
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Earnestine pose la question :
Given a line containing the points (1,4), (2,7), and (3,10) determine the slope-intercept form of the equation, provide one additional point on this line, and graph the function.
Penny Nom lui répond. |
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Annualized |
2007-01-03 |
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Dan pose la question :
What would my rate of compound interest be per month? Invested $80,000 and in 150 days have increased that amount by $14,300.
Stephen La Rocque lui répond. |
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Tiles arranged in rows |
2007-01-02 |
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Ann pose la question :
Some tiles are arranged in rows so that the number of tiles in each row is 8 more than the number of rows. The same number of tiles can be arranged in 3 more rows than the first pattern with 16 tiles in each row. Find the total number of tiles.
Stephen La Rocque lui répond. |
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Where do the medians of a triangle meet? |
2007-01-02 |
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Brittany pose la question :
Where do the medians of a triangle meet?
1. Inside the triangle
v 2. On the traingle
3. Outside the traingle
Stephen La Rocque lui répond. |
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Can the trailer safely pass under the bridge? |
2007-01-02 |
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Jim pose la question :
A truck hauling a double-wide trailer needs to pass under a parabolic-arched bridge en route or take a 50 mile detour. The trailer is 14 feet high and 15 feet wide. The arch supporting the bridge at this underpass is 18 feet high at the center and 40 feet wide at the base. Can the trailer safely pass under the bridge?
Stephen La Rocque lui répond. |
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How do the perimeters of the two pentagons compare? |
2007-01-02 |
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Robert pose la question :
If the area of one pentagon is eighty-one times the area of another pentagon, how do the perimeters of the two pentagons compare?
Penny Nom lui répond. |
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Interest compounded daily |
2007-01-01 |
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Kelly pose la question :
I have made an investment that offers one-half of 1% interest compounded daily. What would that interest calculate to with a $100,000.00 investment for one year ? I have not found a calculative formula that will calculate these figures ... Please HELP !!!
Penny Nom lui répond. |
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Apples, oranges, bananas and pears |
2006-12-30 |
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Richard pose la question :
If 6 oranges weights as much as 4 apples, 5 bananas weights as much as 3 pears, and ten bananas weights as much as 8 oranges. How many pears and apples would you need to have their weights balanced.
Penny Nom lui répond. |
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A word problem |
2006-12-30 |
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Harold pose la question :
one number is less than 5 times another number. sum of the numers is 26
Penny Nom lui répond. |
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Calculating rainwater volume |
2006-12-30 |
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Mark pose la question :
Trying to calculate 1" rainfall on a 1000 sq' roof=how many gallons of water would collect in our cistern.
Stephen La Rocque lui répond. |
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Two cones |
2006-12-30 |
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Cassie pose la question :
A cone of radius 6 and height 12 and a different cone of radius 8 and height 12 intersect as shown in the figure below, where the vertex of one matches with the center of the base of the other. Find the volume of the intersection of the two cones (in exact form).
Penny Nom lui répond. |
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An octagonal birdhouse |
2006-12-30 |
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Verner pose la question :
I am building a octagon birdhouse,what degree would I cut each side of each piece of wood to assemble the birdhouse?
Penny Nom lui répond. |
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tanx (cotx + tan x ) = sec^2x |
2006-12-30 |
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Fren pose la question :
tanx (cotx + tan x ) = sec^2x
Penny Nom lui répond. |
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The area of a triangle |
2006-12-29 |
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Paula pose la question :
The area of a triangle is 24cm². Its height is 2cm more than its base. Determine the base and the height.
Penny Nom lui répond. |
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