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Svetlanka [38]
3 years ago
10

Can I get an example of systems of equations that represent the solution of this situation below? (It doesn't need to be solved.

) Thank you! ^ ^
"1 taco and 1 burrito costs $11. 10 tacos and 5 burritos cost $80. How much is the cost of one burrito?" (x = the cost of a taco, and y = the cost of a burrito)

​
Mathematics
1 answer:
solong [7]3 years ago
6 0

Answer:

x + y = 11

10x + 5y = 80

Step-by-step explanation:

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01. En una piscigranja el 30% de boquichicos es el 20% del número de carachamas. Si sólo hay boquichicos y carachamas. ¿Qué porc
Simora [160]

Answer:

0.1. B) 50%

0.2 A) Psicología

Step-by-step explanation:

01. Dejemos que 'x' e 'y' representen el porcentaje de boquichicos y carachamas en la piscifactoría, tenemos;

Dado que el 30% de los boquichicos es el 20% del número de carachamas

30% x = 20% y

∴ 0.3 · x = 0.2 · y

Por lo tanto, tenemos;

x / y = 0,2 / 0,3 = 2/3

Por lo tanto, por cada 100% de pescado, tenemos;

x + y = 100%

x = 2/3 · y

2/3 · y + y = 100%

5 · años / 3 = 100

y = 100 × 3/5 = 60%

El porcentaje de carachamas en la finca, y = 60%

∴ x = 100% - y = 100% - 60% = 40%

El porcentaje de boquichicos en la finca, x = 40%

Por lo tanto, tenemos el 80% del pescado en la granja, obtenemos;

Si hay 100 peces en la granja, 80% = 80 peces

Pero el número de los 100 peces que son boquichicos en la granja = 40% × 100 = 40 peces

Por lo tanto, los boquichicos son la mitad del 80% del número de peces o el 50% de los peces en la piscifactoría.

La opción correcta es;

B) 50%

02. Tenemos;

El costo de un libro de psicología> El costo de un libro en inglés

El costo de un libro de matemáticas> El costo de un libro de historia

El costo de un libro de psicología> El costo de un libro de matemáticas

Por lo tanto, tenemos;

El costo de un libro de psicología> El costo de un libro de matemáticas> El costo de un libro de historia

∴ El libro de Psicología es más caro que todos los demás libros y, por tanto, es el libro más caro

La opción correcta es;

A) Psicología

3 0
3 years ago
For homework Brooke has 15 math problem son social study problems and 5 science problems she has 29 problems in all use mental m
Harlamova29_29 [7]

Answer:

Brooke has 9 problems for social studies.

Step-by-step explanation:

I used addition. I did 15 + 5 = 20. and after that I just knew that you have to add 9 to 20 to get 29, so I figured out that she has 9 social studies problems.

8 0
3 years ago
Jasjeet and her brother collect stamps.
Dmitrij [34]
She had 2,500 stamps before she gave 1% to her brother, since 2,475 is 99%, i just calculated this equation: p/w = a/100
8 0
3 years ago
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Find the median of the data set. 3,35,23,37,45,5,27,48
vodka [1.7K]

To find the median you must first put them in order from least to greatest.

3, 5, 23, 27, 35, 37, 39, 45, 48

Now take a number from each side

5, 23, 27, 35, 37, 39, 45

Again

23, 27, 35,37, 39

Again

27, 35, 39

Once more

Resulting in the answer being

A. 35


4 0
3 years ago
When I double my number and add eight I get my number plus twelve what is my number
schepotkina [342]
2x + 8 = x + 12
2x - x = 12 - 8
x = 4 <== ur number
7 0
3 years ago
Read 2 more answers
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