liquid A and liquid B are mixed together in the ratio 4:11 by volume to make volume liquid C. Liquid A has density 1.05g/cm^3. Liquid B has density 1.27g/cm^3. A cylindrical container is filled completely with Liquid C. The cylinder has radius 5 cm and height 20 cm. Work out the mass in g, of the liquid in the container. Give your answer correct to 3 significant figures. You must show all your working

Which expression is equivalent to 5r674 pression is equivalent to see lo 5r614) 4r322,4 ) 5 ( 2 5t5 |

Solve each quadratic equation by factoring and using the zero product property. x^2 - 8x + 30 = 3x

Anew test for ra is being developed. the test is administered to 750 patients with ra and 750 without ra. for the sake of the question, assume the prevalence of ra in this population is 50%. of the 750 patients with ra, 575 have a positive result. of the 750 patients without ra, 150 have a positive result. what is the positive predictive value of the new test? a575/(575+150) b. 600/(600+ 150) c. 575/(575+125) d. 600/(600+ 125)