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Hoochie [10]
3 years ago
9

Which expression represents the area of the rectangle?

Mathematics
1 answer:
Anna007 [38]3 years ago
3 0
The area of a rectangle is as follows...

Area = Base x Height

Base is given to be 3h + 5 and height is given to be 2h

Area = (3h+5)(2h) = 6h^2 + 10h which is none of the answers listed.
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Es urgente ¡¡¡ si la MH de a y 4 es 6 y la MH de 8 y b es 12 calcula la MH de a y b
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Answer:

Sabemos que:

MH(x, y) = \frac{2xy}{x+y}

y tenemos que:

MH (a,4) = \frac{2*a*4}{a+4} = \frac{8*a}{a+4} = 6

Con esto podemos encontrar el valor de a:

8*a/(a+ 4) = 6

8*a = 6*(a + 4) = 6*a + 24

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a = 24/2 = 12.

Tambien sabemos que:

MH(8,b) = \frac{2*8*b}{8+b} =\frac{16*b}{8+b} = 12

Y de ahí podemos despejar b:

(16*b)/(b + 8) = 12

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16b - 12b = 96

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Entonces tenemos a = 12 y b = 24, y el MH de a y b es:

MH(12,24) = 2*12*24/(12 + 24) = 24*24/36 = 16

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Answer:

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Step-by-step explanation:

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