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The dimensions of a rectangle 2006-11-02
Ben pose la question :
A rectangle's length is 8 cm. greater than its width. Its perimeter is 128 cm. Find its dimensions.
Penny Nom lui répond.
Coefficients 2006-11-02
Kilihea pose la question :
How do you factor the following expression so that the coefficient is 1? 4x+8 and -3x-27
Haley Ess lui répond.
Des mots aux équations 2006-11-02
Julie pose la question :
La différence de deux nombres, x et y est de 28. Le nombre y correspond aux huit neuvi�mes du nombre x. Trouvez ces deux nombres.
Claude Tardif lui répond.
A 1/4 mile square 2006-11-02
Lisa pose la question :
How many acres are in a 1/4 mile square area. Or what would be the perimeter in miles be for 40 acres?
Penny Nom lui répond.
Chord length 2006-11-01
Tony pose la question :
how do i find a chord length when all i have is arc length (13.633m) and the radius (89.500m)
Stephen La Rocque lui répond.
How many days will it take to harvest 1000 acres? 2006-11-01
Ravinder pose la question :
A farmer has 1000 acres of land. If he harvests 150 acres in a day and how many days will it take for him to harvest 1000 acres?
Penn lui répond.
How many M&Ms are in a container? 2006-11-01
Jill pose la question :
How do we algebraically figure out how many M&Ms are in a container?
Stephen La Rocque and Penny Nom lui répond.
Taux à déterminer 2006-11-01
Barrault pose la question :
Une certaine année,un article augmente d' un certain taux "t" au premier semestre puis d' un taux triple du premier au second semestre, sachant que l' augmenation globale sur l' année est 66.75%; uels sont les taux pour chacun des deux semestres de l' année?
Claude Tardif lui répond.
What is the probability that the sum of the two numbers is even? 2006-11-01
Ryan pose la question :
10 balls numbered 1-10 are in a jar. George reaches into the jar and pulls out a ball. Then Wally pulls out another ball. What is the probability that the sum of the two numbers is even?
Haley Ess lui répond.
Maximiser l'aire d'un triangle isocèle 2006-10-31
Flav pose la question :
ABC est un triangle isocèle en A tel que AB= 1 pour quelles valeurs de BC, l'aire de ce triangle est-elle maximale?
Claude Tardif lui répond.
Un carré ABCD 2006-10-31
Barrault pose la question :
Dans un carré ABCD de coté a , avec I le milieu du cote AB je cherche a exprimer CI et CA en fonction de a en demontrant que les vecteur CA+CB=2CI comment faire?
Claude Tardif lui répond.
The area of a quadrilateral 2006-10-31
Georgina pose la question :
I would really like to know and be shown how to figure out the area of a quadrilateral. I already know that it is side x matching height but i need to be shown what to do. Could you please help?
Penny Nom lui répond.
Paddeling on the Alleman River 2006-10-31
Anita pose la question :
Len is planning a three-hour trip down the Alleman River and back to his starting point. He knows that he can paddle in still water at 3 mph and that the rate of the current is 2 mph. How much time can he spend going downstream? How far downstream can he travel?
Penny Nom lui répond.
3.253 cubic meters of water 2006-10-31
Elaine pose la question :
a tank full of water that has a volume of 3.253 cubic meters would have a mass of?
Penny Nom lui répond.
Pulleys and belts 2006-10-31
Lynn pose la question :

A belt has a linear speed of 32 mph. It is spinning three pulleys.
Pulley A has diameter 14 in. radius = 7 inches
Pulley B has diameter 26 in. radius = 13 inches
Pulley C has radius 3 ft. radius = 36 inches

Angular speed in Radians per min for
I got
Pulley A= .08 rads/min Pulley B= .04 rads/min Pulley C=.01 rads/min

How many cm would pulley C travel in 14 seconds?


Penny Nom lui répond.
 
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