The table shows the names and times of the first and second place swimmers in the men’s 100 m backstroke. The total time for each swimmer is the sum of the two parts, the 1st 50 meters and the 2nd 50 meters.

How much faster did the first place swimmer swim than the second place swimmer?

A
.24 seconds

B
.66 seconds

C
.76 seconds

D
.84 seconds

the correct answer is 1: 2

step-by-step explanation:

hope this your welcome : )

circumference divided by 3.141592654 then timesthe radius twice

step-by-step explanation:

circumference divided by 3.141592654 then timesthe radius twice

2.2°  

step-by-step explanation:

let θ = the angle of elevation.

tanθ =77/2020

tanθ = 0.038 12

      θ = tan⁻¹0.038 12

      θ = 2.2°

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55