A boy starts the week with 3kg of rice, every day he cooks 0.6kg. How much rice will he have left after 4 days?

drop out of school or go to quizlet, quizlet is better

step-by-step explanation:

yes

step-by-step explanation:

yes

δabc ≅ δdcb by sas because

db ≅ ac . . given (side)

bc ≅ bc . . reflexive property (side)

∠dbc ≅ ∠ acb . . alternate interior angles where transversal bc crosses parallel lines bd and ac (included angle)

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°