--Exercises-- An alloy contains 26 % of copper. What quantity of alloy is required to get 260 g of copper? There are 50 students in a class. If 14% are absent on a particular day, find the number of students present in the class. --Represent graphically the intervals-- {x/x ∈ R, −1 ≤ x < 3} {x/x ∈ R, −3 < x ≤ 2} {x/x ∈ R, 0 ≤ x ≤ 5} --Represent in set-builder the interval-- (−2,5) [1,3] (0,7]

Respuestas 1

Respuesta:Explanation: Given : An alloy contains 26% of copper. Let the quantity of alloy is denoted as 'c'. Hence, the quantity of alloy is required to get to 260 gram of copper​ = 1000 gram.

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