Uma amostra de areia foi retirada de uma jazida e seca em estufa. O volume total desta amostra (sólidos mais vazios) foi de 1543 cm³. O volume de sólidos também foi determinado e o valor encontrado foi de 1170 cm³. Determine a compacidade, a porosidade e o índice de vazios desta amostra.

1 3 5

step-by-step explanation:

i took the test: )

3x + 18 = 147°

step-by-step explanation:

3x + 18 = 147°, because the value of the central angle is equal to the value of the arc formed by it.

i hope i you.

the answer is $23.63

answer: corresponding angles

explanation: both angles are at two different sides which makes it seem like a would be the right choice however both are exactly the same, no matter of their placement both have the same degree

a could be the answer just as much as c, some more info would us answer. hope this