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mr Goodwill [35]

3 years ago

13

What kinds of regular polygons can be used for regular tessellations?

2 answers:

Paladinen [302]3 years ago

6 0

Answer: 3

Equilateral triangles, squares and regular hexagons are the only regular polygons that tessellate.

Step-by-step explanation:

In mathematics, a tessellation is the covering of the plane by closed geometric shapes, called tiles, without gaps or overlaps. Regular polygons have congruent straight sides. When we slide or rotate a regular polygon, the side of the original figure and the side of its translation will match.

Equilateral triangles, squares and regular hexagons are the only regular polygons that tessellate. Therefore, there are only three regular tessellations.

VikaD [51]3 years ago

4 0

Equilateral triangles, squares and regular<span> hexagons are the only </span>regular polygons<span>that </span>will tessellate<span>. Therefore, there are only three </span>regular tessellations<span>.</span>

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Kelly earns $178.50 in interest on an account that earns simple interest at a rate of 4%. If she kept the money in the account f

Otrada [13]

Answer:

$892.50

Step-by-step explanation:

The amount of interest earned is given by ...

I = Prt

Filling in the given values, we have ...

$178.50 = P·0.04·5

Dividing by 0.20 gives ...

$178.50/0.20 = P = $892.50

The principal amount in Kelly's account is $892.50.

7 0

2 years ago

A linear function is written:<br> f(x) = 3/2x-4<br> What is the value of f(5)?

valentinak56 [21]

Answer:

$f(5)=3.5$

Step-by-step explanation:

$f(x)=\frac{3}{2}x-4\\f(5)=\frac{3}{2}(5)-4\\f(5)=7.5-4\\f(5)=3.5$

Hope this helped!! Have an amazing day :D

4 0

2 years ago

Si un rectángulo con perímetro de 74 pulgadas tiene un largo de 5 pies más que el ancho,

baherus [9]

Perímetro del rectángulo = 74 pulgadas

Deje que el ancho del rectángulo sea 'x'.

Entonces, la longitud de este rectángulo = x + 5

We know that :

$\color{hotpink}\tt \: Perímetro \: del \: rectángulo =\color{plum} 2 × (l + b)$

Lo que significa :

$=\tt 2(x + x + 5) = 74$

$=\tt 2(2x + 5) = 74$

$=\tt 4x +10 = 74$

$=\tt 4x = 74 - 10$

$=\tt 4x = 64$

$=\tt x = \frac{64}{4}$

$\color{plum} =\tt x = 16$

Por lo tanto, el ancho de este rectángulo = 16 pulgadas

Entonces, la longitud de este rectángulo :

$=\tt x + 5$

$= \tt16 + 5$

$\color{plum} =\tt 21 \: pulgadas$

La longitud de este rectángulo = 21 pulgadas

<h2>Por lo tanto :</h2>

● Longitud del rectángulo = <em>21 pulgadas</em>

● Ancho del rectángulo = <em>16 pulgadas</em>

3 0

2 years ago

Which value of x makes x-3/4 + 2/3=17/12 true?

Bingel [31]

Answer:

x = 3/2

Step-by-step explanation:

x- 3/4 + 2/3 = 17/12

x = 17/12 + 3/4 -2/3

x = 3/2

7 0

2 years ago

What is 98.704 in expanded using powers of ten

Tomtit [17]

Answer:

$9.8704 * 10^1$

Step-by-step explanation:

The standard form is called the scientific notation expressed generally as;

$A * 10^n$

A is an integer between 1 and 10

n is ant integer or fraction

Given the decimal value 98.704, we ill shift the decimal point to the back once to have;

98.704 = $9.8704 * 10^1$

<u>Note the when the decimal point is shifted backwards the value of n is always positive</u>. Hence the expansion in power of 10 is $9.8704 * 10^1$

7 0

2 years ago