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igomit [66]
2 years ago
7

salt contains 10% calcium 3% carbon and 12% oxygen find the amount in grams of each of the compounds in 1 kg of Chalk​

Mathematics
1 answer:
Debora [2.8K]2 years ago
8 0

Hope the picture above will help you

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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
2 years ago
Read 2 more answers
Solve The Problem -3+2x=7
BlackZzzverrR [31]
2x = 7 + 3
2x = 10
x = 10/2
x = 5
S: {5}
3 0
3 years ago
Read 2 more answers
Can you help me please!!
ahrayia [7]
I believe it would be 30

8 0
3 years ago
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