October 2020 1 136 Report
Me ajudem nessa questão...Como faço para calcular a área?
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Underline the correct alternative. I was (on-in) paris last winter the english class is (at-on) 3 o'clock my mother and i were in salvador (on- at) saturday the boy was (in-at)home in the morning. in Brazil, spring begin (in-on) september. there was a computer (at-on)the desk
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Write negative answers to the questions. 1 were allen and jim at school yesterday? (theater) 2 was john at the office last night? (Restaurant?) 3 was Kitty at the bank yesterday morning? (club) 4 were carol and sayuri at a birthday party last saturday? (supermarket)
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Como resolvo essa questão?
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Por favor me ajudem!!
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Me ajudem nessas questões.
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Determine o valor do termo desconhecido:a) (2x, y+3) = (8,9)b) (3x-1, 4y) = (6,20)
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Determine o valor do termo desconhecido:a) (2x, y+3) = (8,9)b) (3x-1, 4y) = (6,20)
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O par (x,y) é solução do sistema: x-y = 32x+3y=16. Qual o valor de x e y ??
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Equações e Sistemas do 1º grau. a) x+y-4=17-2x+1b)3.(5-x)-3(1-2x)=42c) x/2 - 7 = x/4 +5d) 2x - 1/2= 5x + 1/3
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Se um conjunto E tem 4 elementos e um conjunto F tem 5 elementos. Quantos elementos tem F x E ??
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