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Ksenya-84 [330]
3 years ago
8

HELP ME Look at pics

Mathematics
2 answers:
vivado [14]3 years ago
6 0
9x^2 - 12y^2 - 11x, the last answer, number 4
Ahat [919]3 years ago
5 0

combine all the like terms

 8x^2 + x^2 = 9x^2

-9y^2 - 3y^2 = -12y^2

-4x-7x = -11x

 so you have 9x^2 -12y^2-11x

 Answer id the last one

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Mnenie [13.5K]

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3 years ago
En el colegio se realizó una campaña para medir el grado de obesidad de la población estudiantil. En la escuela hay 1 430 alumno
Lemur [1.5K]

Answer:

1144 o 286

Step-by-step explanation:

Si pregunta por la cantidad de personas que se pesaron, la respuesta es (8/10) * (1430) = 8 * 143 = 1144.

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dexar [7]

<em>The answer is below...</em>

A.

3 0
2 years ago
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Cho hai biến cố xung khắc và B, sao cho ( ≠ 0), ( ≠ 0). Hỏi A và B có độc lập không?
romanna [79]

Answer:

Ta có:   P  ( A )  P  ( B )  =  0 , 12 . Vì  P  ( A B )  =  0 , 2  ≠  0 , 12  =  P  ( A )  P  ( B )

nên hai biến cố A và B không độc lập với nhau.

Step-by-step explanation:

3 0
3 years ago
Please help ASAP! What is the Value of X?
Nataly [62]

Answer:

  • 4x+7=5x-20
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hope it helps.

7 0
3 years ago
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