un elev lucreaza la matematica intr-o zi un exercitiu a doua zi doua exercitii a treia zi dublul zilei precedente a patra zi dublul zilei precedente si tot asa in fiecare zi dupa cate zile elevul lucreaza 2047 exercitii dau coroana va rog ajutor!!!

What is the length of the segment joining the points at (4,5) and (6,-2) round to the nearest tenth if necessary

The verbal translation for the difference of m and 7 increased by 15

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.