A new photocopier works 2 times as fast as an old one. When the machines work together, a university can produce all its staff manuals in 16 hr. Find the time it would take each machine, working alone, to complete the job.

c is the final : )

answer:

c. the third graph

c. 27 units.

step-by-step explanation:

we are told that in circle a, ∠bae ≅ ∠dae.

we can see from our given diagram that in and ;

, as these are radii of our given circle.

therefore, by sas congruence postulate.

hence, side be will be equal to side de as corresponding parts of congruent triangles are congruent. so we can set an equation to find the value of x as:

now let us substitute x=17 in the expression for the length of be.

therefore, length of be will be 27 units and option c is the correct choice.