Suggest an efficient scheme for maintaining a per-user protection scheme. that is, the system maintains one directory per user, and that directory lists all the objects to which the user is allowed access. your design should address the needs of a system with 1000 users, of whom no more than 20 are active at any time. each user has an average of 200 permitted objects; there are 50,000 total objects in the system.

step-by-step explanation:

the multiplicative inverse of a fraction a/b is b/a. for the multiplicative inverse of a real number, divide 1 by the number. for example, the reciprocal of 5 is one fifth 1/5 or 0.2, and the reciprocal of 0.25 is 1 divided by 0.25, or 4.

i’m here for points.

mariah is studying the life cycle of the monarch butterfly. she must choose one stage in the cycle to present in science class: egg, caterpillar, chrysalis, or adult. she plans to make her choice randomly using a custom spinner divided into four sections. first, however, she spins the spinner 50 times to see the frequencies it generates.

stage times landed on

egg 10

caterpillar 12

chrysalis 15

adult 13

step-by-step explanation:

there should be an link icon on the bottom of the text box you get. it looks like a paperclip!