1- determine as equiaçoes do sistema s de equaçao matricial x =
logo em seguida resolva e classifique-o
2- numa sala, as cadeiras tem 4 pernas e os banquinhos tem 3. o total de assentos e 10 e o total de pernas e 34. quantas cadeiras tem nessa sala ?
3- um clube promoveu uma festa com o objetivo de arrecadar fundos para a campanha de crianças carentes. no dia da festa compareceram 230 pessoas entre socios e nao-socios. o valor total arrecadado foi de rs2450 e todas as pessoas presentes pagaram ingresso o preço do ingresso foi rs10,00 para socios e rs15,00 para nao-socios. com base nesses dados, qual foi o numero de socios do clube presentes na festa ?

The length of triangle base is 26. a line, which is parallel to the base divides the triangle into two equal area parts. find the length of the segment between triangle legs.

Aregular hexagon has sides of 2 feet. what is the area of the hexagon? 12 ft2 12 ft2 24 ft2 6 ft2

Someone answer this asap rn for ! a discount store’s prices are 25% lower than department store prices. the function c(x) = 0.75x can be used to determine the cost c, in dollars, of an item, where x is the department store price, in dollars. if the item has not sold in one month, the discount store takes an additional 20% off the discounted price and an additional $5 off the total purchase. the function d(y) = 0.80y - 5 can be used to find d, the cost, in dollars, of an item that has not been sold for a month, where y is the discount store price, in dollars. create a function d(c(x)) that represents the final price of an item when a costumer buys an item that has been in the discount store for a month. d(c(x)) =