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sammy [17]
3 years ago
6

Simplify the algebraic expression 8y-2(y+4)

Mathematics
2 answers:
Ludmilka [50]3 years ago
8 0

Answer

8y-2(y+4) first we open bracket     8y-2y-2*4

                                                          8y-2y-8

                                                          6y-8

                   we take common        2(3y-4) answer


Goshia [24]3 years ago
7 0

Answer:

6y -8

Step-by-step explanation:

8y-2(y+4)

Distribute the 2

8y -2y -8

Combine like terms

6y -8

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Answer:

1661.06 cm²

Step-by-step explanation:

From the question given above, the following data were obtained:

Radius (r) = 11.5 cm

Size of synthetic leather needed =?

To know how many square centimetres of synthetic leather needed to cover the ball, we shall determine the area of the ball. This can be obtained as follow:

Radius (r) = 11.5 cm

Pi (π) = 3.14

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The shape of a ball is spherical in nature. Thus, we shall apply the formula for calculating the area of a sphere. This is illustrated below:

A = 4πr²

A = 4 × 3.14 × 11.5²

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