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AleksandrR [38]
3 years ago
13

1. is this a function 7 8 2 9 3 10​

Mathematics
1 answer:
kow [346]3 years ago
7 0
I need a lil more information
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What is x? This is due by midnight
Alexxx [7]
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seis manzanas y 8 peras cuestan $26. Cuánto cuesta xada pera y cada manzana sabiendo que cada manzana cuesta el triple de lo que
vodomira [7]

Con un sistema de ecuaciones, tiene-se que:

  • Cada pera cuesta $1.
  • Cada manzana cuesta $3.

--------------

  • Usando la información dada en el texto, se construye un<em> sistema de ecuaciones</em> para encontrar el precio de cada pera e de cada manzana.
  • Yo diré que el precio de cada manzana es x y de cada pera es de y.

--------------

  • <u>La compra de 6 manzanas y 8 peras cuesta $26</u>, lo que significa que una de las ecuaciones es:

6x + 8y = 26

  • <u>Cada manzana cuesta lo triple de cada pera</u>, lo que significa que la outra ecuacione es:

x = 3y

--------------

Aplicando esta relacion en la primera ecuación, se encontra el precio de cada pera.

6x + 8y = 26

6(3y) + 8y = 26

26y = 26

y = \frac{26}{26}

y = 1

Cada pera cuesta $1.

--------------

Para cada manzana:

x = 3y = 3(1) = 3

Cada manzana cuesta $3.

Un problema similar es dado en brainly.com/question/24637096

6 0
3 years ago
Find each sum difference or quotient express your answer in scientific notation
forsale [732]
The\ scientific\ notation:a\cdot10^n\ where\ 1\leq a \ \textless \  10\ and\ n\in\mathbb{Z}\\\\8.\\3.4(10^{-4})+0.8(10^{-4})=(3.4+0.8)(10^{-4})=\boxed{4.2\cdot10^{-4}}\\\\9.\\8.7(10^{-2})-2.3(10^{-2})=(8.7-2.3)(10^{-2})=\boxed{6.4\cdot10^{-2}}\\\\10.\\6.3(10^5):1.5(10^{-3})=(6.3:1.5)(10^5:10^{-3})\\\\=4.2\cdot10^{5-(-3)}=\boxed{4.2\cdot10^8}
3 0
3 years ago
Simplify-3 + x/2 for x = 6
sergij07 [2.7K]

Answer: \boxed{\boxed{0}}

Step-by-step explanation:

-3+ 6/2 .... this will be simplified.

Remember, x=6.

We first do 6÷2 which equals 3. Then we do -3+3. And that gives us 0.

Answer = 0.



4 0
4 years ago
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Suppose a man's scalp hair grows at a rate of 0.43 mm per day. What is this growth rate in feet per century
lutik1710 [3]

Answer:

Step-by-step explanation:

The answer is 18794.86549

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