Use a expressão algébrica para representar: a)o dobro do número x mais a metade dele
b)o fato de que, mudando-se a ordem dos fatores.o produto não se altera
c)a diferença entre o triplo quadrado do número y e o dobro do seu cubo
d)o quociente do dobro do cubo do númerio inteiro a(a(diferente)-1) pelo sucessor de a
e)a soma do inverso do número positivo m com a raiz quadrada desse número
d)o quadrado da diferença entre os número x e y.

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Ответ:

Casey7019

06.12.2022

Mathematics

The volume of figure is 310.86 cm³

Step-by-step explanation:

First, you have to calculate the volume of cone and cylinder seperately by applying the formulas :

Cone,

$v = \frac{1}{3} \times \pi \times {r}^{2} \times h$

$let \: \pi = 3.14 \\ let \: r = 3 \\ let \: h = 9$

$v = \frac{1}{3} \times 3.14 \times {3}^{2} \times 9$

$v = 84.78 \: {cm}^{3}$

Cylinder,

$v = \pi \times {r}^{2} \times h$

$let \: \pi = 3.14 \\ let \: r = 3 \\ let \: h = 8$

$v = 3.14 \times {3}^{2} \times 8$

$v = 226.08 \: {cm}^{3}$

Next, you have to add up both volumes as the figure are made from cone and cylinder :

v = 84.78 + 226.08

$v = 310.86 \: {cm}^{3}$

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