3 years ago

What shows a perfect square trinomial?

Mathematics

1 answer:

e-lub [12.9K]3 years ago

3 0

Answer:

The answer is c. 16x2 + 24xy + 9y2.

Step-by-step explanation:

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What is the square root of 9

Nuetrik [128]

It is 3. Because a square root is anything times itself to make an answer. For example:
$3 \times 3 = 9 \\ so \\ \sqrt{9 } = 3$

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3 years ago

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Find the value of z. PLEASE HELP ASAP! A. 25.25 B. 51 C. 129 D. 76.25

kirza4 [7]

Use Picture Math, i cant type in the other cause brainly doesn't accept it but it is Ga_thMath. (u)

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2 years ago

La funcion que representa el beneficio obtenido por una empresa si vende x unidades de uno de sus productos es f(x)= -70x^2+2800

DerKrebs [107]

Answer:

$20$

Step-by-step explanation:

La función es

$f(x)=-70x^2+2800x-45000$

Diferenciando con respecto a $x$ obtenemos

$f'(x)=-140x+2800$

Igualar con cero

$0=-140x+2800\\\Rightarrow x=\dfrac{2800}{140}\\\Rightarrow x=20$

Doble derivada de la función

$f''(x)=-140$

Entonces, la función es máxima cuando el número de unidades vendidas, $x=20$ ,

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2 years ago

A baker’s dozen (13) of cookies is on sale for $4.94. How much does each cookie cost?

Natalija [7]

Answer: $0.38

Worded explanation:

4.94 divided by 13 equals 0.38, making your answer $0.38

Unworded explanation:

4.94/13 = 0.38

$0.38

7 0

1 year ago

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Write an equation of the line containing the given point and parallel to the given line.

Dafna11 [192]

Answer:

y = 5/9x - 37/3

Step-by-step explanation:

5x - 9y = 8

-9y = -5x + 8

y = 5/9x - 8/9

When a line is parallel, the slope remains the same.

y = 5/9x + b

-9 = 5/9(6) + b

-9 = 10/3 + b

-37/3 = b

6 0

2 years ago