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Sidana [21]
3 years ago
6

Estimate 8/9 + 4/7 Sum or difference

Mathematics
1 answer:
BlackZzzverrR [31]3 years ago
6 0
8/9 + 4/7=1 29/63 ESTIMATE:2
8/9 - 4/7=<span>20/63 ESTIMATE:0

</span>

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What is the surface area of the above composite object made out of two rectangular prisms?
aleksandrvk [35]

Answer:

  550 mm^2

Step-by-step explanation:

A net can be drawn as shown in the first figure attached. Each square represents 5 mm by 5 mm, so is 25 mm^2. Altogether, there are 22 of them, so the total area is ...

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The second attachment shows that net folded up to make the given figure.

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In the first attachment, the green shades represent the left- and right-side faces. (Darker green is left side.) The red and blue shades represent the front- and back-side faces. The white rectangles represent the top and bottom faces. The dark black lines are the cut lines. If you want to fold the figure up, the lighter lines are the fold lines.

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3 years ago
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3 years ago
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Neporo4naja [7]

Answer:

Step-by-step explanation:

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3 years ago
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Acone has a height of 7 ft and a radius of 4 ft. Which equation can find the volume of the cone?
Marina86 [1]

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The volume of the cone is: 117.06\,feet^3

3 0
3 years ago
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