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frosja888 [35]
2 years ago
14

se quiere pintar una pared en forma de hexágono regular y se sabe que cada lado mide 3m y que su apotema es de 2,8m ¿cual es el

area que se va a pintar?​
Mathematics
1 answer:
Debora [2.8K]2 years ago
3 0

Answer:

16.8 metros cuadrados.

Step-by-step explanation:

Dado que se quiere pintar una pared en forma de hexágono regular y se sabe que cada lado mide 3m y que su apotema es de 2,8m, y que el área de un hexágono es igual al perímetro multiplicado por la apotema, y dicho resultado dividido por 2, para determinar cuál es el área que se va a pintar se debe realizar el siguiente calculo:

((6x3) x 2.8) / 2 = X

(12 x 2.8) / 2 = X

33.6 / 2 = X

16.8 = X

Así, el área que se va a pintar es de 16.8 m2.

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Carpet sells for $4 per square foot and will cost you $748 to recarpet your rectangular room. If your room is 17 feet long, how
alexandr1967 [171]
If the carpet sells for 4 per sq ft, and u paid 748...then u got (748/4) = 187 sq ft. of carpet

A = L * W
A = 187
L = 17

187 = 17W
187/17 = W
11 = W <=== the width of the room is 11 ft
4 0
3 years ago
Read 2 more answers
Which of the following expressions are factors of p(x)=60x4+24x3−45x2−18x?
Whitepunk [10]

The factors are 3x, 4x^2-3 and 5x+2

So, Option B, C and F are correct.

Step-by-step explanation:

We need to find factors of the expression p(x)=60x^4+24x^3-45x^2-18x

Solving the expression: p(x)=60x^4+24x^3-45x^2-18x

Taking 3x common:

p(x)=3x(20x^3+8x^2-15x-6)

Now, factor by grouping, the terms inside the bracket.

p(x)=3x((20x^3+8x^2)+(-15x-6))

p(x)=3x(4x^2(5x+2)-3(5x+2))

p(x)=3x(4x^2-3)(5x+2)

So, the factors are 3x, 4x^2-3 and 5x+2

So, Option B, C and F are correct.

Keywords: Finding Factors

Learn more about finding factors at:

  • brainly.com/question/1414350
  • brainly.com/question/1464739
  • brainly.com/question/2568692

#learnwithBrainly

5 0
3 years ago
In a survey of 120 people, 18 stated they were not registered to vote. Which value would represent this group in a pie chart?
Helga [31]

6.66666666667% you divide 120 by 18 that = 6.66666666667 and add a %

8 0
3 years ago
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Which of the following options have the same value as 15% of 20?
AnnZ [28]
Answers are: A, C, D

Note how
(3/20)*20 = 0.15*20 = 3
0.15*20 = 3
(15/100)*20 = 0.15*20 = 3
all expressions lead to the same result of 3

another thing to notice
3/20 = 15/100 = 0.15 = 15%
which are multiple ways to say the same thing just in a different form
5 0
3 years ago
Evaluate the expression. P(9, 3) · P(5, 4)
boyakko [2]

Answer:

P(9,3) *P(5,4)

And if we use the permutation formula given by:

nPx = \frac{n!}{(n-x)!}

And replacing we got:

\frac{9!}{6!} \frac{5!}{4!}= 504*5 = 2520

Step-by-step explanation:

For this problem we want to find the following expressionÑ

P(9,3) *P(5,4)

And if we use the permutation formula given by:

nPx = \frac{n!}{(n-x)!}

And replacing we got:

\frac{9!}{6!} \frac{5!}{4!}= 504*5 = 2520

6 0
3 years ago
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