Lee y resuelve. 139.7a circunferencia cuya ecuación canónica es
(7-5)2 + (y + 62 = 20 pasa por P(1,k). Halla
el valor o los valores de k que cumplen con dicha
condición
enfe-
de
e-
140. Encuentra el número real k para que la circun-
ferencia con ecuación (x - 6)2 + 1 - 8)2 = k
pase por el origen del plano cartesiano. Luego,
determina la ecuación general.
2
161 n
1
circunfe-

Mary used 1/7 of a spool of ribbon to complete 4 projects. she used the same amount of ribbon on each project. how much ribbon did she use on each project?

You earn a 12% commission for every car you sell. how much is your commission if you sell a $23,000 car?

Joel wants to buy a new tablet computer fram a store having a 20% off sale on all tablets. the tablet he wants has an original cost of $190. he also wants to make sure he has enough money to pay the 5% sales tax. part one joel uses the incorect expression 0.95(190)(0.8) to calculate that the tablet will cost him a total of $144.40. describe his error and write the correct expression part two how much will joel pay for the tablet show your work if you answer this question correctly you will receive a prize of 99 points good luck