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Rzqust [24]
3 years ago
13

Need help figuring out this answer

Mathematics
1 answer:
creativ13 [48]3 years ago
6 0

Answer: 260 \text{ cube cm}

Step-by-step explanation:

If the two shapes are similar then, by the property of similarity,

\text{ The ratio of the volume of the shapes} = (\text{ the ratio of the corresponding edges})^3

Here Prism A and prism B are similar,

⇒ \frac{\text{ volume of prism A}}{\text{ volume of prism B}} = (\frac{8}{4} )^3

⇒ \frac{ 2080}{\text{ volume of prism B}} = (2)^3

⇒ \frac{\text{ volume of prism B}}{2080} =\frac{1}{8}

⇒ \text{ volume of prism B} =\frac{2080}{8}

⇒ \text{ volume of prism B} =260\text{ cube cm}

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Answer:

Step-by-step explanation:

Let's call hens h and ducks d. The first algebraic equation says that 6 hens (6h) plus (+) 1 duck (1d) cost (=) 40.

The second algebraic equations says that 4 hens (4h) plus (+) 3 ducks (3d) cost (=) 36.

The system is

6h + 1d = 40

4h + 3d = 36

The best way to go about this is to solve it by substitution since we have a 1d in the first equation. We will solve that equation for d since that makes the most sense algebraically. Doing that,

1d = 40 - 6h.

Now that we know what d equals, we can sub it into the second equation where we see a d. In order,

4h + 3d = 36 becomes

4h + 3(40 - 6h) = 36 and then simplify. By substituting into the second equation we eliminated one of the variables. You can only have 1 unknown in a single equation, and now we do!

4h + 120 - 18h = 36 and

-14h = -84 so

h = 6.

That means that each hen costs $6. Since the cost of a duck is found in the bold print equation above, we will sub in a 6 for h to solve for d:

1d = 40 - 6(6) and

d = 40 - 36 so

d = 4.

That means that each duck costs $4.

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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