Question

alguém me ajudar a responde para agora!​

Answer 1

Resposta:

1)

a) 1 e 8

b) -4, 0, 1 e 8

c) -4, -3/5, 0, 1/3, 0,888..., 1, 4,86 e 8

d) $\sqrt6$ e π

2)

a) D = {3, 4, 5, 6}

b) Cd = {1, 3, 5, 7}

c) Im = {1, 7}

3)

a)

$\frac{3}{6} =\frac{5}{x}\\\\x=\frac{5.6}{3} =10$

b)

$\frac{4}{6}=\frac{6}{x}\\\\x=\frac{6.6}{4}=9$

4)

a) $\frac{160}{410} =39,02\%$

b) $\frac{250}{410} = 60,98\%$

c) $\frac{107}{410} = 26,10\%$

d) $\frac{303}{410} = 73,90\%$