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Gekata [30.6K]
3 years ago
10

Describe how to represent 74 + 19 on a number line.

Mathematics
2 answers:
liberstina [14]3 years ago
8 0

Answer:

C.) Begin at 74.  Travel 19 units to the right.

Step-by-step explanation:

You begin at 74 because that is the number the equation is starting out with.  You travel to the right because you are adding 19 units.  

NikAS [45]3 years ago
8 0
The answer is C because you are adding more not subtracting.
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1. Write the name of the properties:
faust18 [17]

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Anec 2 Matemáticas
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Answer:

a) 1 : 100

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b) 1 : 1000

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c) 1 : 2000

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d) 1 : 18000

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Step-by-step explanation:

Tenemos 4 escalas :

a) 1 : 100

b) 1 : 1000

c) 1 : 2000

d) 1 : 18000

Definimos ''escala'' como una relación entre dos números ''a'' y ''b'', generalmente ''a'' y ''b'' son números naturales. Denotamos la escala como :

a : b

En dónde ''a'' representa la longitud del dibujo y ''b'' la longitud real.

Por ende, cuando a estamos en presencia de una escala de reducción y cuando a>b estamos en presencia de una escala de ampliación.

La escala a=b ó 1 : 1 se define como escala natural.

Analicemos cada caso :

a) 1 : 100

Aquí vemos que es una escala de reducción (dado que 1 < 100) por ende cualquier magnitud de longitud en el mapa será 100 veces más grande en la vida real.

En este caso, 1 cm en el mapa equivalen a 100 cm en la realidad.

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b) 1 cm en el mapa equivalen a 1000 cm en la vida real

c) 1 cm en el mapa equivalen a 2000 cm en la vida real

d) 1 cm en el mapa equivalen a 18000 cm en la vida real

b), c) y d) también representan escalas de reducción.

7 0
3 years ago
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Answer:

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