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3 divided by 3 to it's fifth root |
2007-04-06 |
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Annie pose la question : How do I transform the equation 3 divided by 3 to it's fifth root to simple radical form
(getting the radical out of the denominator)? Penny Nom lui répond. |
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How many outcomes are possible? |
2007-04-05 |
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dillon pose la question : you toss a dime three times. How many outcomes are possible? Penny Nom lui répond. |
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When will the rocket hit the ground? |
2007-04-05 |
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Megan pose la question : A model rocket is launched at an upward velocity of 460feet per second off a platform that is 40 feet up from the ground. Use the formula h(t)= -16+vo+ho where vo is the initial velocity an ho is the initial height.
A.) Find the maximum hight of the rocket.
B.) How long does it take to reach the maximum height?
C.) When will the rocket hit the ground? Stephen La Rocque lui répond. |
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Radius of a circle in a square |
2007-04-05 |
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Lori pose la question : A circle is inscribed in a square. What is the radius of the circle?
If there is a small rectangle with a 2 ft. top and a 1ft side at the left in the
square touching the corner of the circle. Stephen La Rocque and Penny Nom lui répond. |
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Find the maximum revenue |
2007-04-05 |
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Megan pose la question : The weekly revenue for a company is R= -3p+60p+1060, were p is the price of the company's product. Find the maximum revenue for this company. Stephen La Rocque lui répond. |
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A right triangle |
2007-04-05 |
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Lee pose la question : What would be the length of the long side of a right angle triangle if one side was 47cm and the other was 56cm.
Many Thanks Steve La Rocque and Jaymi Peterson lui répond. |
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The orthcentre and the circumcentre |
2007-04-05 |
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Ruby pose la question : I have tried to do this question so many times, could you please, please,
please show me how to do it. I just can't get the answer:
What is the (i)Circumcentre and (ii)Orthocentre of the triangle with
vertices a(-2,2) b(2,-6) c(5,3)? It would be so great if you could show
me how to do this. Thanks in advance,
Ruby. Penny Nom lui répond. |
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How much did it originally cost? |
2007-04-04 |
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Megan pose la question : My question is simple:
"-Jim is able to sell a hand-carved statue for $650 which was a 35% profit over his cost. How much did ie originally cost?"
I don't even know where to start could you help? Penny Nom lui répond. |
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4,7,16,43,... |
2007-04-04 |
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claire pose la question : What is the explicit definition for the sequence 4,7,16,43,...? Stephen La Rocque and Penny Nom lui répond. |
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sin(2x) = cos(3x) |
2007-04-04 |
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ben pose la question : find all positive angles x such that 3x is one of the nonright angles in a right triangle and sin(2x) = cos(3x). Stephen La Rocque and Penny Nom lui répond. |
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The sum of two rational numbers |
2007-04-04 |
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Fathia pose la question : Hi,
Could please help me with this question?
Prove that if a and b are rational numbers then a + b is a rational number.
Thank you, Stephen La Rocque lui répond. |
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What is the hypotenuse of a right traingle |
2007-04-04 |
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debbie pose la question : what is the hypotenuse of a right triangle with sides of 38 meters and 24.2 meters. Stephen La Rocque lui répond. |
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Arithmetic means and geometric means |
2007-04-04 |
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Dani pose la question : Hi!
I was just wondering why the arithmetic mean of sets of numbers is larger than the mean proportional of the same numbers?
Thanks!
Dani Haley Ess lui répond. |
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Game of 24 |
2007-04-04 |
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teri pose la question : How do you find the answer of 24 by using 12,24,7 and 2 only once. Stephen La Rocque lui répond. |
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Velocity |
2007-04-04 |
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Jessica pose la question : The speed of the current in a river is 2mph. Jessica travels 20 miles upstream and then 20 miles downstream in a total time of 5 1/3 hr. Find the speed of the boat.
I know you have to use V= d/t, but what is the equation for time because you have to factor in that upstream the boat is slower and downstream the boat is faster? Penny Nom lui répond. |
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