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mixas84 [53]
3 years ago
15

Pleaseeeee hellllppp

Mathematics
1 answer:
kiruha [24]3 years ago
5 0
The answer is b hope i help
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3 folders cost $2.91 which equation would help determine the cost of 2 folders
eimsori [14]

Answer:

The equation that will determine the cost of two folders is;  3x = 2× $2.91

and  the cost of  the 2 folders is $1.94

Step-by-step explanation:

To solve this problem, we will follow the steps below;

Using proportion;

Let x be the cost of 2 folders

3 folders = $2.91

2 folders  =  x

Cross-multiply

3x = 2× $2.91

The equation that will determine the cost of two folders is

3x = 2× $2.91

We can go ahead and solve

3x = $5.82

Divide both-side of the equation by 3

\frac{3x}{3}  =  \frac{5.82}{3}

x = $ 1.94

The cost of 2 folders is $1.94

5 0
3 years ago
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1. Simplify the radical expression<br> √50<br><br> A. 5√2<br> B. 2√5<br> C. 5√10<br> D. 5
defon
/50 = /25•2
/25 • /2 further written as
5 • /2 simplified form

so A
6 0
3 years ago
PERÍMETRO: Encuentra las dimensiones de un rectángulo con perímetro igual a 563 pulgadas, si su largo es 6 pulgadas menos que 4
Orlov [11]

Answer: 4x - 6 = 563

Suma 6 a ambos lados para aislar la variante 4x.

4x - 6 = 563

+6. +6

4x = 569

Divide ambos lados por 4

4x/4 = 569/4

X = 142.5

Step-by-step explanation:

4 0
3 years ago
Solve the following system of equations using the
Alja [10]

Answer:

The solutions are 3 and -5

Step-by-step explanation:

x+3=x^2+3x-12

x^2+2x-15

=(x-3)(x+5)

6 0
3 years ago
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Pls someone help me 20 points
Feliz [49]

Answer:

65/32

Step-by-step explanation:

4 0
3 years ago
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