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Gre4nikov [31]
4 years ago
11

Can anyone help me plz tell me the answer

Mathematics
1 answer:
charle [14.2K]4 years ago
4 0

Answer:

Step-by-step explanation:

-8x^2 - 12 + 7x^2 - 9x + 3

-x^2 - 9x - 9

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Delvig [45]

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4 0
4 years ago
TO get a certain shade of green paint, Melissa decides to mix 3 gallons of blue paint with 2 gallons of yellow paint. How much b
Harlamova29_29 [7]
You have a fraction of 3/2. 3/2=1.5
Therefore, she needs 1.5 gallons of blue paint per 1 gallon of yellow paint.
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:

pls give me brainless

7 0
3 years ago
Which expression represents the distance between -3 and 5 on the number line?
marta [7]
The expression that represents the distance between -3 and 5 on the number line is “-3-5”.
5 0
3 years ago
Read 2 more answers
-4 1/2-(-2 2/3) step by step pls help if someone dosen`t answer i might fail pls if you do i will cashapp you 100 bucks just lea
olasank [31]

Answer:

you can use a calculator ( keep your money )

Step-by-step explanation:

5 0
3 years ago
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