, 22.06.2019 21:10 soccer816

# 1- um bloco retangular de madeira tem 320 cm de comprimento, 60 cm de largura e 75 cm de altura. o bloco é cortado varias vezes com cortes paralelos ás suas faces, de modo a substitui-los em blocos retangulares de 8 cm de comprimento por 3 cm de largura e 1,5 de altura. a) quantas peças foram obtidas? b) determine o peso de cada peça, sabendo que o metro cúbico dessa madeira pesa 900g.

y=mx+b

step-by-step explanation:

m is slope, b is y-intercept

33

step-by-step explanation: g=6

step-by-step explanation:

we are told that the revenue is

x⋅(4080−10x)=−10x^2+4080x

this is a quadratic function, so to maximize it we should find the x-value of its vertex. recall that the x-value of the vertex of the parabola ax^2+bx+c is given by the formula −b/2a.

so in this case, we have a=−10 and b=4080, so the x-value of the vertex is

−b/2a= −(4080)/2(−10)=204

.95

step-by-step explanation:

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