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ki77a [65]
2 years ago
13

Si una bolsa de plástico pesa cuatro kilogramos y contiene tres latas con atún y dos de mermelada, y en otra bolsa contiene dos

de atún y cinco de mermelada con un peso de 5.5 kilogramos. ¿Cuál es el peso de cada producto?
Es sobre ecuaciones lineales 2x2 ;-;
Mathematics
1 answer:
Lerok [7]2 years ago
3 0

Step-by-step explanation:

which language is this.?... try to upload in English..

you may get answers from so many people..

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Triangle xyz with vertices x(-6 4) y(0,6) and z(-4,2)
Aneli [31]

Answer:

b should be it.

Step-by-step explanation:

7 0
2 years ago
Write (2x - 5)2 as a trinomial.
solniwko [45]

Answer:

4x^2-20x+25

Step-by-step explanation:

(2x-5)^{2} \\(2x)^2+2(2x)(-5)+(-5)^2\\4x^2-20x+25

7 0
3 years ago
Read 2 more answers
the numbers of girls in the choir is 4 times the number of boys in the choir .the total number of students is 60..how many girls
Inessa05 [86]
First, make up some variables to represent the number of Girls and Boys in the choir.  

B = number of boys
G = number of girls

You know that there are 4 times as many girls in the choir as boys.  Therefore, the equation you can write is:
\frac{B}{G} =  \frac{1}{4}

If you cross-multiply, then you get the simplified equation:
G = 4B

Intuitively this makes sense since if you multiplied the number of boys in the class by 4, that would be equal to the number of girls you have.

Now, we know that the total class size is 60. So girls plus boys equals 60:
G+B = 60

To solve the equation, replace the G in this equation with the replacement you found before, 4B.
G + B = 60 -->
4B + B = 60 -->
5B = 60 -->
B = 12

However, you are trying to find the number of girls, so plug the answer back into your equation.
G + B = 60 -->
G + 12 = 60 -->
G + 12 -12 = 60 - 12 -->
G = 48

The number of girls you have is 48.

6 0
3 years ago
X/4 + 9 = -13 help please
Murljashka [212]

Answer:Subtract  

from both sides of the equation

from both sides of the equation

Multiply all terms by the same value to eliminate fraction denominators

7 0
2 years ago
Read 2 more answers
How Can associative Property be used to mentally find 48+82?
Marizza181 [45]
Associative property of addition represents this equation:
a + b = b + a
So, how would it be helpful with this given equation?
=> 48 + 82
=> Let's start with the ones place value.
(2 + 8) = 10, bring down 0, carry 1 then ( 4 + 8) = 12 + 1 = 13
So the answer is 130.
If we are going to do it vice versa, still expect that the same answer will occur.
6 0
2 years ago
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