Hemos comprado un coche que hemos de pagar a plazos durante un año de la siguiente extraña manera: el primer mes, 2000 euros; el segundo mes, 1500 y asi sucesivamente, cada mes 3/4 partes de lo pagado el mes anterior. a) ¿que cantidad total hemos de pagar el ultimo mes? b)¿cual sera la suma de todas las mensualidades del año? (problema de sucesiones)

Chemistry balance then what type of reaction are they i don't know why it keeps saying math when i put chem

50 points and will mark brainlest if you were constructing a triangular frame, and you had wood in the length of 4inches, 4 inches, and 7 inches, would it make a triangle? would you be able to create a frame from these pieces of wood? yes or no? = explain your mathematical thinking:

Use the given degree of confidence and sample data to construct a confidence interval for the population mean mu . assume that the population has a normal distribution. a laboratory tested twelve chicken eggs and found that the mean amount of cholesterol was 185 milligrams with sequals 17.6 milligrams. a confidence interval of 173.8 mgless than muless than 196.2 mg is constructed for the true mean cholesterol content of all such eggs. it was assumed that the population has a normal distribution. what confidence level does this interval represent?