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Pani-rosa [81]
3 years ago
13

The net of a pyramid is shown below:

Mathematics
1 answer:
Shalnov [3]3 years ago
6 0

Answer:

Step-by-step explanation:

height of pyramid = √(10²-(5/2)²) = √93.75

volume of pyramid = ⅓b²h = ⅓·5²√93.75 ≅ 80.69 in³

lateral area = 2×5×10 = 100 in²

base area = 5² = 25 in²

surface area = 100+25 = 125 in²

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Which number line represents the solution set for the inequality 3(8 – 4x) < 6(x – 5)?
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Answer:

  A number line from negative 5 to 5 in increments of 1. An open circle is at 3 and a bold line starts at 3 and is pointing to the right.

Step-by-step explanation:

We can start by dividing the inequality by 3 to get ...

  8 -4x < 2(x -5)

And we can divide by 2 to simplify further to ...

  4 -2x < x -5

Now, we can add 2x+5, which gives ...

  9 < 3x

and then divide by 3 again:

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This is graphed on a number line as described above.

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4 years ago
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Answer:

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3 years ago
A conjecture and the paragraph proof used to prove the conjecture are shown.
quester [9]

First box is EF.

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Fourth box is DF. For this one the last sentence basically gives you the answer.

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Can someone help me do this darn work plz
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Answer:

13. 17/20

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If f(x)=−3x2−5x+1 , what is f(3)?
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Answer:

-41

Step-by-step explanation:

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