2 8 Number of Porpoises a which team of observers. Xor y saw more porpoises per observation on average based on this sample? - Both teams made 20 observations of porpoises. How many times did Team Y observe 6.7 or 8 porpoises? Explain your answer. What percent of the time would Team X see between 3 and 6 porpoises? d the number of observations was increased to 100, what percent of the time would Team Y see 8 or 9 porpoises on each 8 observation?

it should be a and d. lmk if i'm wrong xd

(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

the answer is 62.8 cubic units

2,160 π

step-by-step explanation: