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Gre4nikov [31]
3 years ago
10

Factor completely x2 - 36. I think this is Prime is that correct

Mathematics
2 answers:
Nataly_w [17]3 years ago
7 0
x^2 - 36=(x-6)(x+6)\\\\\\a^2-b^2 = (a-b)(a+b)


astra-53 [7]3 years ago
5 0
No.  It's the difference of two squares, and so can be easily factored:

x² - 36 = (x + 6) (x - 6)

Multiply those out and you'll see.
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Vikki [24]

Answer:

1:    1.06c−10

2:    0.048c−9.2

3:    0.8c(1.06)

Step-by-step explanation:

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7 0
3 years ago
Ana compró una cartera cuyo precio original es de x dólares con el 10% de descuento y un perfume con precio original de B dólare
katovenus [111]

Answer:

Tarea:

Ana compró una cartera cuyo precio es x dólares con el 10% de descuento y un perfume con precio original en dólares con un descuento del 15%. ¿Cuánto gastó Ana en total?

- Solución:

El precio estará en lenguaje algebraico, ya que no nos dan el dato de cuánto costó cada artículo.

• Hallamos el precio de la cartera con el descuento:

El precio original es x, entonces:

Regla de tres:

100 % --------> x

10 % -----------> ?

10 . x : 100 = ?

10x/100 = ?

El 10% del precio de la cartera es 10x/100.

Entonces el precio de la cartera es (x-10x/100).

• Hallamos el precio del perfume con el descuento:

El precio original es y, entonces:

Regla de tres:

100% -------> y

15 % --------> ?

15.y/100

El 15% del perfume es 15y/100.

Entonces el precio del perfume con el descuento es (y-15y/100).

Entonces lo que gastó en total es:

(x - 10x/100) + (y - 15y/100)

Step-by-step explanation:

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7 0
2 years ago
Please help and hurry!
Art [367]
A is the best answer…

Work:

-10x-(-4y) will equal -10x+4y the minus minus will cancel out

Please like and brainiest
6 0
2 years ago
Read 2 more answers
What is 1/10 of 1000
Marianna [84]
It is 100. There is many ways to find this answer. One way would be to divide 1000 by 10 to get a 100. Another way is to take the decimal form of 1/10 which is .10 and times it by 1000 to get 100.
4 0
3 years ago
Read 2 more answers
A student scored in the 85th percentile on her chemistry exam. What does this student's score mean in relation to those of the o
Trava [24]

Answer:

The answer is  

her score was in the top 85% of all test takers' scores.

Step-by-step explanation:

Percentile is the relative standing in a set of data from the lowest values to highest values.

If your score is in the 85th percentile, it means that 85% of the scores are below your score and 15% are above your score.

7 0
3 years ago
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