Rachel measured the mass of an empty 250cm3 flask. She then filled the flask with a gas of unknown molar mass at an atmospheric pressure of 100kPa and a temperature of 27 degrees. She found that the mass of the flask and contents increased by 0.44 g. Calculate the molar mass of the gas Rachel used to fill the flask​

i think it because equal matrices have equal dimensions, only square matrices can be symmetric. for all indices and . every square diagonal matrix is symmetric, since all off-diagonal elements are zero. in linear algebra, a real symmetric matrix represents a self-adjoint operator over a real inner product space.

false

explanation:

boats, things on boats luggage are way more heavy then water.

the word that best describes martin luther king jr.'s tone in the video is dignified

martin luther king, jr. was a social activist and baptist minister who played a key role in the american civil rights movement from the mid-1950s until his assassination in 1968. the video shows his manner and attitude having or showing a composed or serious manner that is worthy of respect so dignified is the correct answer

find the surface area of the sphere to the nearest square unit. use a calculator.

a. 254 in.2

b. 64 in.2

c. 127 in.2

d. 1,018 in.2