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NISA [10]
3 years ago
14

Which of the following is a characteristic of the repeating shapes in a tessellation?A. Shapes cannot be regular polygons.B. Sha

pes can overlap.C. Shapes can have spaces between them.D. Shapes cannot have spaces between them.
Mathematics
2 answers:
Elden [556K]3 years ago
7 0
Shapes cannot have spaces between them
sleet_krkn [62]3 years ago
7 0

Answer:

D. Shapes cannot have spaces between them.

Step-by-step explanation:

Tessellation is defined as an arrangement of polygons that are closely fitted together in a repeated pattern without overlapping. Only equilateral triangles, squares and regular hexagons tessellate.

So, the following is a characteristic of the repeating shapes in a tessellation:

D. Shapes cannot have spaces between them.

False options are :

A. Shapes cannot be regular polygons - Wrong, only regular polygons tessellate.

B. Shapes can overlap - Wrong, the shapes cannot overlap.

C. Shapes can have spaces between them - Wrong, the shapes cannot have gaps between them.

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Does this graph show a function? Explain how you know.
Bess [88]

Answer:

a. no the graph fails the vertical line test

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2 years ago
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An important factor in selling a residential property is the number of times real estate, agents show a home. A sample of 21 hom
Natalka [10]

Using the t-distribution to build the 99% confidence interval, it is found that:

  • The margin of error is of 3.64.
  • The 99% confidence interval for the population mean is (19.36, 26.64).

<h3>What is a t-distribution confidence interval?</h3>

The confidence interval is:

\overline{x} \pm t\frac{s}{\sqrt{n}}

In which:

  • \overline{x} is the sample mean.
  • t is the critical value.
  • n is the sample size.
  • s is the standard deviation for the sample.

The critical value, using a t-distribution calculator, for a two-tailed 95% confidence interval, with 21 - 1 = 20 df, is t = 2.086.

The other parameters are given as follows:

\overline{x} = 23, s = 8, n = 21

The margin of error is given by:

M = t\frac{s}{\sqrt{n}} = 2.086\frac{8}{\sqrt{21}} = 3.64

Hence the bounds of the interval are:

\overline{x} - M = 23 - 3.64 = 19.36

\overline{x} + M = 23 + 3.64 = 26.64

The 99% confidence interval for the population mean is (19.36, 26.64).

More can be learned about the t-distribution at brainly.com/question/16162795

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7 0
1 year ago
HELP ASAPJennifer and Chris completed some chores and split the earnings in the ratio 3:2. Jennifer earned $48.
elixir [45]

Let the total earnings be = x

Jennifer and Chris split the earnings in the ratio 3:2

Jennifer earned = $48

\frac{3x}{5}=48

3x=240

x=80

Hence total earnings are $80

(a) Chris earning is = \frac{2x}{5}=\frac{2*80}{5}=32

Hence, Chris earns $32

(b) Jennifer spends 30% of her earnings on a book.

So, price of the book = \frac{30}{100}\times48

Price of book = $14.40

(c)  Jennifer also buys a magazine for = $5.40

So, total money Jennifer spent on book and magazine = 14.40+5.40=19.80

Money left with Jennifer = 48-19.80= $28.20

In fractions = \frac{28.20}{48}

or multiplying the numerator and denominator by 10, we get

\frac{282}{480}=\frac{47}{80}

(d) Let the original price of the shirt = x

reduction percentage on x= 40%

Price paid after reduction = 16.80

\frac{40x}{100}=16.80

40x=1680

x=42

Hence, the original price of the shirt was $42.


8 0
3 years ago
An ice cream shop uses the following ingredients to make 1 sundae.
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Answer:

8 sundaes

4:32

.......

.......

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Give a # that makes 10 - x &lt; 5 true.
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It could be any number that is 4 and under
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