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3 years ago

Jesip bought 3 boxes of cereal for $2.49 each, 1.5

Mathematics

1 answer:

Tomtit [17]3 years ago

7 0

Answer:

45.57

Step-by-step explanation:

3 x 2.49 =7.47

4.65

5 x 0.67 = 3.35

5 x 6 = 30

7.47+ 4.65 + 3.35 + 30 = 45.47

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A sample of gold has a mass of 579 g. The volume of the sample is 30 cm3. What is the density of the gold sample?

Ugo [173]

The density of the gold sample is 19.3g/cm³

Let the mass of the gold sample be represented by m

m = 579 g

Let the volume of the gold sample be represented by V

V = 30 cm³

Let the density of the gold sample be represented by ρ

The formula for the density is:

$Density = \frac{Mass}{Volume}$

$\rho = \frac{m}{V} \\\rho = \frac{579}{30} \\\rho = 19.3 g/cm^3$

The density of the gold sample is 19.3g/cm³

Learn more here: brainly.com/question/17780219

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