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Rus_ich [418]
3 years ago
15

Victoria builds a dollhouse in the shape of a right prism, as show below

Mathematics
1 answer:
Snezhnost [94]3 years ago
7 0
Your answer is correct
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if two pyramids are similar and the ratio between the lengths of their edges is 2;7 what is the ratio of their volumes? ...?
jok3333 [9.3K]
<span>The answer is 8:343.

</span>We can use Galileo's square cube law to calculate the ratio between two similar pyramids. The law is used to describe the change of the area or the volume of the shape when their dimensions increase or decrease:
\frac{V_1}{V_2} =( \frac{l_1}{l_2} )^{3} \\<span>
</span><span><span> <span> <span> <span> <span> <span> <span> <span> <span> <span> <span> </span></span></span></span></span></span></span></span></span> </span></span> </span>
V₁ and V₂ - volumes of pyramids,
l₁ and <span>l</span>₂ - the edges of pyramids.
<span>
</span>\frac{V_1}{V_2} =( \frac{l_1}{l_2} )^{3} \\ \frac{V_1}{V_2} =( \frac{2}{7} )^{3} \\ \frac{V_1}{V_2} = \frac{2^{3}}{7^{3}} \\ \frac{V_1}{V_2} = \frac{8}{343} \\<span>
</span>
3 0
3 years ago
Read 2 more answers
A company plans to sell embroidered hats for $15 each. the company’s financial planner estimates that the cost, y, of manufactur
Dafna11 [192]

The minimum number of hats the company must sell to make a profit will be B. 401.

<h3>What is profit?</h3>

It should be noted that profit simply means the gain that's derived from the sale of a good.

In this case, the company plans to sell embroidered hats for $15 each. To make profit, the company will need to sell 401 hats.

Learn more about profit on:

brainly.com/question/19104371

#SPJ4

6 0
1 year ago
In 6 hours heather reads 30 chapters of a book what is her rate in chapters per hour​
Softa [21]

Answer:

5 chapters per hour

Step-by-step explanation:

30chapters/6hours = 5 chapters/hour

3 0
3 years ago
Use the equation Sin (2x -9) = Cos (x+30) to solve for x. Remember that these are complementary angles!
pogonyaev
Well, if the two angles are complementary, then that means that

(2x -9)° + (x + 30)° = 90°

\bf 3x+21=90\implies 3x=69\implies x=\cfrac{69}{3}\implies x=23
4 0
3 years ago
10 is 5% of what number? pls help
QveST [7]

Answer:

its 200 yee hope that helpss

6 0
2 years ago
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