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Crazy boy [7]
2 years ago
5

Need assistance on this problem

Mathematics
1 answer:
ANTONII [103]2 years ago
5 0

Answer:

The height of the tower should be 120 m

Step-by-step explanation:

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To select a sample of five children from a class of 30, a researcher puts each child’s name on a slip of paper, then shuffles th
Ainat [17]

Answer:

We conclude that  a researcher  used simple random sample.

Step-by-step explanation:

We know that select a sample of five children from a class of 30, a researcher puts each child’s name on a slip of paper, then shuffles the papers in a hat and randomly picks five names.  

We conclude that  a researcher  used simple random sample.

Because every children  has an equal chance of being included in the sample.

7 0
3 years ago
If one leg of a right triangle is 6 cm long, and the other leg is 8 cm long, how long is the triangles hypotenuse?!!
nekit [7.7K]

Answer:

approximately 9

Step-by-step explanation:

6 squared (36) plus 8 squared (64) is 84, and the square root of that is about 9

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3 years ago
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lukranit [14]

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r = 13

Step-by-step explanation:

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8r + 6 = 9r - 7

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8 0
3 years ago
Quadrilateral ABCD is rotated 270° clockwise about the origin. What are the
nirvana33 [79]

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A

Step-by-step explanation:

6 0
3 years ago
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What is the sum of (4x2 – 10x + 3) and (-6x2 + 10x + 12)
kykrilka [37]

Answer:

-2x² + 15

Step-by-step explanation:

Step 1: Add like terms

4x² - 6x² = -2x²

-10x + 10x = 0

3 + 12 = 15

Step 2: Rewrite

-2x² + 15

6 0
3 years ago
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