Sadpha ran 2 1/4 kilometres each day for 3 days, 1 1/2 kilometres each day for the next 2 days and then ran 1 1/4 kilometres for the last day. How many kilometres did Sadpha run altogether in the 6 days?

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°

180-142=38 for the acute angle next to the entry

90+38=128

180-128=52

a=52

step-by-step explanation:

7 is the median   7.875 is the mean

step-by-step explanation:

3,4,5,6,8,11,13,13