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Ann [662]
3 years ago
7

Fiona is drawing polygons on a computer. She wants to map a regular 9-sided polygon back onto itself using a reflection. Which s

et of lines can Fiona choose from for her line of reflection?
any line passing through the center of the polygon



any perpendicular bisector of one of the sides



any line joining the midpoints of any two sides



any line parallel to a side of the polygon
Mathematics
2 answers:
Rudik [331]3 years ago
7 0

Answer:

any perpendicular bisector of one of the sides

Step-by-step explanation:

Masteriza [31]3 years ago
5 0
B. A<span>ny perpendicular bisector of one of the sides
I'm 100% sure this is correct

Hoped is Helped! c:

</span>
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jekas [21]
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vesna_86 [32]

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12

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4 years ago
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A production process fills containers by weight. Weights of containers are approximately normally distributed. Historically, the
forsale [732]

Answer:

option (c) n = 201

Step-by-step explanation:

Data provided in the question:

Standard deviation, s = 5.5 ounce

Confidence level = 99%

Length of confidence interval = 2 ounces

Therefore,

margin of error, E = (Length of confidence interval ) ÷ 2

= 2 ÷ 2

= 1 ounce

Now,

E = \frac{zs}{\sqrt n}

here,

z = 2.58 for 99% confidence interval

n = sample size

thus,

1 = \frac{2.58\times5.5}{\sqrt n}

or

n = (2.58 × 5.5)²

or

n = 201.3561 ≈ 201

Hence,

option (c) n = 201

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3 years ago
Which of the following best describes the term induction?
sergey [27]
Reducing the solution to a problem in lowest terms
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Molodets [167]
1. 21j-26+4j=21+6-2j
2. 25j-26=27-2j
3. 27j=53
4. j=53/27
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