3 years ago

I need the simplified expression for this please

Mathematics

1 answer:

vampirchik [111]3 years ago

8 0

Answer:

16x+5

Step-by-step explanation:

first, we open the brackets

5*2x-5*1+2*3x+2*5=10x-5+6x+10=16x+5

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5x-2+3x=17+12x-23<br> please show all steps

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Calcula el lado y el área de un poligono regular 12 lados sabiendo que su radio es de 7,727dmy su apotema de 7,464

Vika [28.1K]

Answer:

$L=3.999 \: dm$

$A=183.4581\:dm^{2}$

Step-by-step explanation:

La relación del apotema y el lado de un dodecágono regular está dada por la siguiente ecuación:

$a_{p}=L\frac{2+\sqrt{3}}{2}$

Sabiendo que la apotema es 7.464 el lado sera:

$L=\frac{2*a_{p}}{2+\sqrt{3}}$

$L=\frac{2*7.464}{2+\sqrt{3}}$

$L=3.999 \: dm$

Por otro lado el area de un dodecágono regular esta dada por:

$A=6a_{p}L$

$A=6*7.646*3.999$

$A=183.4581\:dm^{2}$

Espero te haya sido de ayuda!

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3 years ago

I need the simplified expression for this please ​

I need the simplified expression for this please