Um comerciante compra uma caixa de vinho estrangeiro por R$1.000,00 e vende pelo mesmo preço, depois de retirar 4 garrafas e aumentar o preço da dúzia em R$100,00. Então, qual é o número original de garrafas de vinho na caixa?

Answer this two poles, ab and ed, are fixed to the ground with the of ropes ac and ec, as shown: two right triangles abc and edc have a common vertex c. angle abc and edc are right angles. ab is labeled 13 feet, ac is labeled 15 feet, ec is labeled 10 feet, and ed is labeled 4 feet. what is the approximate distance, in feet, between the two poles? 11.14 feet16.65 feet14.35 feet15.59 feet

Solve for b. ab + c= d b= a + old ob=allc-ch b= (d-c/a

If x varies directly as y, and x = 7.5 when y = 10, find x when y = 4