Question

Logaritimo, valendo 30 pontos!

Answer 1

$3.6 - 0.1 = log_{2}(x - 1996) \\ 3.5 = log_{2}(x - 1996) \\ {2}^{3.5} = x - 1996 \\ x = \sqrt{ {2} ^{7} } + 1996 \\ x = 8 \sqrt{2} + 1996 \\ x = 8 \times 1.4 + 1996 \\ x = 11.2 + 1996 \\ x = 2007.2$

Answer 2

Resposta:

Introduzir Cálculo Calcula Expressão Resultado Obtido

2+3∗4 2+3×4 14

2x+3=4(x−1) 2x+3=4(x−1) x=72

x^2+2x−1=9 x2+2x−1=9 x=−11−−√−1∨

x=11−−√−1

5m+50cm 5m+50cm 5.5m

50m in cm 50m→cm 5000cm

2cm^2 in dm^2 2cm2→dm2 0.02dm2

1/4+1/2 14+12 34

200+5% 200+5% 210

(1,2,3)∗(3,2,1) ⎛⎝⎜123⎞⎠⎟×⎛⎝⎜321⎞⎠⎟ 10

(2+2i)∗(3+3i) (2+2i)×(3+3i) 12i

int(x2) ∫(x2)dx x33+C

diff(x2) ddx(x2) 2x

[[1,2][4,5]]∗[[6,7][8,3]] [1425]×[6873] [22641343]

cos(60) cos(60º) 12

Explicação passo-a-passo: