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s2008m [1.1K]
4 years ago
10

Which mathematical property is demonstrated below? a + b + 7 = 7+ b + a

Mathematics
1 answer:
olga_2 [115]4 years ago
8 0

Step-by-step explanation:

the demonstrated property is the commutative property

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Un avion sale de Córdoba con destino a Estados Unidos realiza escalas en Chile y en Bolivia la capacidad del avión es de 507 pas
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Answer:

386 passengers arrive at Estados Unidos.

386 pasajeros aterrizará en Estados Unidos.

Step-by-step explanation:

English Translation

A plane from Córdoba bound for Estados Unidos and makes stops in Chile and Bolivia. The plane has a capacity for 507 passengers. He leaves the Córdoba airport with 119 empty seats. In Chile 33 passengers go down and 121 go up. In Bolivia 129 go down and 39 go up. How many arrive in Estados Unidos?

- The plane has capacity for 507 passengers.

- 119 seats are empty when it leaves Córdoba.

Meaning that there were (507 - 119) passengers on board = 388 passengers

- In Chile 33 passengers go down and 121 go up.

Number of passenger become

388 - 33 + 121 = 476 passengers

- In Bolivia 129 go down and 39 go up.

Number of passengers become

476 - 129 + 39 = 386 passengers.

Hope this Helps!!!!

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3 years ago
Will mark as brainlist answer fast
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Triangle ABC is similar but not congruent to Triangle XYZ

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When you dilate the size changes but the angles are the same with makes them similar and since the size of the triangles are different they cannot be congruent.

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Factorize completely 3a2+2ab-12ac-8bc​
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Step-by-step explanation:

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