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ira [324]
3 years ago
9

Which statement is not true? Help ASAP! Thanks!!

Mathematics
2 answers:
omeli [17]3 years ago
6 0

Answer:

4 option...... .......

Alex3 years ago
6 0
4 because it’s 4 lol so yea
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A sample size of n= 20 is a simple random sample selected from a normally distributed
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2 years ago
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
TiliK225 [7]

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

16*b = 12*(b + 8) = 12b + 96

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

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7 0
3 years ago
If ADB = 70°,
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