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yarga [219]
2 years ago
14

Simplify.

Mathematics
1 answer:
inn [45]2 years ago
8 0

Answer:

1. \frac{3y - 2}{5}    =  \frac{3y}{5} -  \frac{2}{5}    \\  \\ 2.    \frac{6x - 3}{3}  =  \frac{6x}{3}  -  \frac{3}{3}  \\ =  2x - 1 \\  \\ 3. \frac{4}{2}  = 2

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An object in the shape of a rectangular prism has a length of 5 inches, a width of 3 inches, and a height of 2 inches. The objec
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Answer:

4,080grams

Step-by-step explanation:

the formula for density is:

d=\frac{m}{V}

where d is density, m is mass, and V is volume.

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m=d*V

so if we find the volume and multiply it by the density d=8.3gr/cm^3  we will get the mass of the object.

The volume of a rectangular prism is given by:

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we substitute to find the volume:

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since the density has units of cm^3 we need the volume also in units of cm^3 , so we make the conversion using:

1in^3=16.3871cm^3

multiplying by 30:

30in^3=491.612cm^3

and now we find the mass with the equation:

m=d*V

substituting d and V:

m=(8.3gr/cm^3)(491.612cm^2)\\m=4,080.36gr

the nearest gram is: 4,080grams

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