a) demuestre que det (X (0,1)) = 1 b) demuestre que el sistema tiene solo una solución para cualquier número real y distinto a, b c) demuestre que, si (x0, y0, z0) es una solución del sistema, entonces esa ecuación es verdadera para cualquier número real a

Arectangle with an area of 47 m² is dilated by a factor of 7. what is the area of the dilated rectangle? enter your answer in the box. do not leave your answer as a fraction.

On a string instrument, the length of a string varies inversely as the frequency of its vibrations. an 11-inch string has a frequency of 400 cylces per second. find the frequency of a 10-icnch string.

Venita is sewing new curtains. the table below shows the relationship between the number of stitches in a row and the length ofthe row. sewingnumber of stitches length (cm)51 131532024306what is the relationship between the number of stitches and the length? othe number of stitches istimes the length. o. the number of stitches is 3 times the length.