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Inessa05 [86]
3 years ago
9

Will give brainliest!!

Mathematics
1 answer:
zloy xaker [14]3 years ago
3 0

Answer:

27

Step-by-step explanation:

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6) Qual número deve ser acrescentado a expressão x² - 12x, para que se obtenha um trinômio quadrado perfeito? * 6 5 12 10
Serga [27]

Respuesta:

36

Explicación paso a paso:

Para completar el cuadrado tendremos que sumar la mitad del cuadrado del coeficiente de x a la expresión;

Coeficiente de x = -12

Mitad del coeficiente = (-12/2) = -6

Tomando el cuadrado del resultado = (-6) ^ 2 = 36

Por lo tanto, el número que se debe sumar para obtener un cuadrado perfecto es 36.

7 0
3 years ago
-1+5x≥-16 I dont know how to solve
olasank [31]

Answer:  x \ge -3

Explanation:

Follow PEMDAS in reverse to undo what's happening to x.

We first add 1 to both sides, then divide both sides by 5 to fully isolate x.

Refer to the steps below to see what I mean.

-1 + 5x \ge -16\\\\5x \ge -16+1\\\\5x \ge -15\\\\x \ge -15/5\\\\x \ge -3\\\\

The inequality sign stays the same the entire time. The only time it flips is when you divide both sides by a negative number.

The solution set for x is anything -3 or larger.

If x was an integer, then we could say the solution set is {-3, -2, -1, 0, 1, 2, 3, 4, 5, 6, ...}

7 0
2 years ago
How many hours is 9:30 am to 12:30 pm ?
Dmitriy789 [7]
The correct answer is 3 hours. Hope this helps! ^_^
4 0
3 years ago
Which of the following represent 18=6×3
mestny [16]
C would be the correct answer

A would mean that 6=3*18, which is incorrect
B would mean that 3=6*18 which is also incorrect
C would mean that 18=6*3 which is CORRECT
D would mean that 18=6*2 which is also incorrect

Therefore, C would be the correct answer
8 0
4 years ago
Read 2 more answers
Slope and y-intercept of this graph?
Ulleksa [173]
The Y intercept is (0,5)
8 0
3 years ago
Read 2 more answers
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