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An 8 pointed star inscribed in a circle |
2015-04-10 |
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Kermit pose la question :
How do you find the area of the star that is formed by two squares and surrounded by a circle. The only given information is that the radius of the circle is 10.
Penny Nom lui répond. |
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The perimeter of a quarter circle |
2015-04-10 |
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Riley pose la question :
How do you find the perimeter of a quarter circle when the radius is 56?
Penny Nom lui répond. |
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A word problem with fractions |
2015-04-09 |
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Lorraine pose la question :
If the numerator of a certain fraction is doubled and the denominator is increased by 1, the fraction becomes 1/2.
If the numerator of the original faction is squared and the denominator is decreased by 2, the fraction becomes equal to 1.
Let x be the numerator and let y be the denominator of the original fraction.
Write down two simultaneous equation in x and y.
Solve these equations to find two possible values for the given fraction.
Penny Nom lui répond. |
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The area of the ring between two concentric circles |
2015-04-08 |
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Conner pose la question :
The area of the ring between two concentric circles is 25pi/2 square inches. The length of a chord of the larger circle tangent to the smaller circle is?
Robert Dawson lui répond. |
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A circle graph |
2015-04-06 |
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Davis pose la question :
i don't know how to answer this question. please help!
a survey about student government shows the following results
110 like the program
120 think the program is unnecessary
210 plan on running for student government next year
if this information is put in a circle graph,what is the central angle for the students who like the program?
Penny Nom lui répond. |
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On what day of the week did 1994 begin? |
2015-04-05 |
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tayyaba pose la question :
there were 365 days in the year 1993
the first day of the year was friday.
on what day of the week did 1994 begin?
Penny Nom lui répond. |
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A tangent to y=x^3 passes through (0,2) |
2015-04-05 |
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Kevin pose la question :
Given that the curve y=x^3 has a tangent line that passes through point (0,2). Find the equation of the tangent line
Penny Nom lui répond. |
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The weight of a steel block |
2015-04-04 |
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Mark pose la question :
the weight of a steel cube 37 inches X 28 inches X 7 inches
Penny Nom lui répond. |
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n^2 is a multiple of 100 |
2015-03-30 |
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Rahul pose la question :
I have to prove that n^2 is a multiple of 100 is necessary or
Sufficient condition (or both) for n being multiple of 10
Penny Nom lui répond. |
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The game of 24 |
2015-03-28 |
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Suzanne pose la question :
I love this game! Cannot figure out 4,9,10,16 to equal 24? Help!
Penny Nom and Claude Tardif lui répond. |
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Three consecutive integers |
2015-03-28 |
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Aleksey pose la question :
I need help how do I find the second of three consecutive integers if the sum of the first and third is 26?
Penny Nom lui répond. |
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Ordering fractions |
2015-03-27 |
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latoya pose la question :
Put the following amounts in order from greatest to least 60%,2/3,0.599 explain answer
Penny Nom lui répond. |
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A rectangular concrete tank |
2015-03-24 |
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mwenge pose la question :
What is the length ,width and height for the rectangular concrete tank that can have capacity of 50000 liters of water?
Penny Nom lui répond. |
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Is a rhombus a square? |
2015-03-24 |
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Justin pose la question :
Is a rhombus a square?
Penny Nom lui répond. |
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Dealing cards to Melissa and Robert |
2015-03-24 |
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Karena pose la question :
92 cards in all. Melissa has 3 times as many cards as Robert. How many cards does Robert have?
Penny Nom lui répond. |
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