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geniusboy [140]
3 years ago
14

Select three ratios that are equivalent to 7:3.

Mathematics
2 answers:
11Alexandr11 [23.1K]3 years ago
6 0

Answer: b, c, e

\frac{7}{3}=\frac{7}{3}.\frac{2}{2}=\frac{7.2}{3.2}=\frac{14}{6}\\\\\frac{7}{3}=\frac{7}{3}.\frac{3}{3}=\frac{7.3}{3.3}=\frac{21}{9}\\\\\frac{7}{3}=\frac{7}{3}.\frac{4}{4}=\frac{7.4}{3.4}=\frac{28}{12}

( 3/3 = 2/2 = 4/4 = 1)

Step-by-step explanation:

aleksley [76]3 years ago
3 0
B because you can divide both side by 2 to get 7:3, C because you can divide both side by 3 to get 7:3, and E because you can divide both side by 4 to get 7:3.
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A glass paperweight has a composite shape: a square pyramid fitting exacty on top of an 8 centimeter cube. The pyramid has a hei
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Answer:

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Part 2) The total surface area of the paperweight is 400\ cm^{2}

Step-by-step explanation:

Part 1) what is the volume of the paperweight?

we know that

The volume of the paperweight is equal to the volume of the square pyramid plus the volume of the cube

step 1

Find the volume of the pyramid

The volume of the pyramid is equal to

V=\frac{1}{3}BH

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Find the volume of the cube

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Find the volume of the paperweight

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Part 2) what is the total surface area of the paperweight?​

we know that

The total surface area of the paperweight is equal to the surface area of 5 faces of the cube plus the lateral area of the pyramid

step 1

Find the surface area of 5 faces of the cube

SA=5b^{2}

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Find the lateral area of the pyramid

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320\ cm^{2}+80\ cm^{2}=400\ cm^{2}

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