The radius of a hydrogen atom is 2.5 x 10-11 meters, the radius of a mercury atom is 1.5 x 10-10 meters, and the radius of a uranium atom is 1.75 x 10-10 meters. How many times as large as the radius of a hydrogen atom are the radii of the mercury and uranium atoms?

(2x + 16) + (x) = 180

step-by-step explanation:

given,

abcd is a quadrilateral inscribed in a circle

angle a is labeled x plus 16, (x + 16)

angle b is labeled x degrees, (x)

angle c is labeled 6x minus 4, (6x – 4)

angle d is labeled 2x plus 16, (2x + 16)

what equation can be used to solve for angle b?

we know that the sum of the opposite angles of a simple quadrilateral inscribed in a circle is 180 degrees.

angle b is opposite angle d

therefore, angle b + angle d = 180

(x) + (2x + 16) = 180 

same as (2x + 16) + (x) = 180

other answer is correct. i had used the radius of the radius somehow. a website: