Une entreprise fabrique des gobelets en papier en forme de cône circulaire droit pouvant contenir 75mL de liquide. Elle veut offrir des gobelets cylindriques ayant le même volume que les gobelets coniques et la même couverture circulaire, dont le diamètre est de 6 cm. Quel sera l’écart entre les aires du papier nécessaire à la fabrication de ces deux gobelets?

For f(x)=2x+1 and g(x)= x^2 -7, find (f•g)(x)

Martha has a deck of cards. she has lost some of the cards, and now the deck only contains nine spades, eleven diamonds, eight clubs, and twelve hearts. martha predicts that whenever she draws a card from the deck without looking, she will draw a club one-fifth of the time. which activity would best allow martha to test her prediction? a. randomly draw a card from the box and see if it is a club. b. randomly draw a card. then, continue to draw another card until all eight clubs are drawn. c. randomly draw and replace a card 120 times. then, observe how close to 30 times a club is drawn. d. randomly draw and replace a card 100 times. then, observe how close to 20 times a club is drawn.

An ant travels at a constant rate of 30cm every 2 minutes.at what speed does the ant travel per minute