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Ne4ueva [31]
4 years ago
8

A triangle has sides with lengths of 40 centimeters, 42 centimeters and 58 centimeters. Is it a right triangle

Mathematics
2 answers:
Natalija [7]4 years ago
8 0

You can use the 3 4 5 triangle to compare their ratios like 40/3: 42/4:58:5

and yes it is.

jeka944 years ago
4 0

Answer:

yes

Step-by-step explanation:

58 is the Hypotenuse leg, so it should be

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the scale on a map is 2cm= 25 miles . Dave measured the distance to the next town at 5 cm . how many miles away is the next town
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Answer:

62.5 miles

Step-by-step explanation:

2cm = 25 miles

25 / 2 = 12.5 miles

1cm = 12.5 miles

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4 years ago
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Hola alguien puede ayudarme a resolver estos ejercicios por favor Ejercicios de intervalos 1.- Escribe en todas las formas posib
yawa3891 [41]

Answer:

Tenemos 3 formas de escribir cada intervalo, una es con solo texto, la otra es usando los símbolos { <, >, ≤, ≥ }, y la última es con intervalos, donde:

( se usa para " < x "

) se usa para " > x "

[ se usa para  " ≤ x "

] se usa para   " ≥ x "

a) -2 ≤ x ≤3

Esto se escribe como:

"números mayores o iguales que -2 y menores o iguales que 3"

y

[-2, 3]

b) Números mayores que –1

Las otras formas de escribir esto son:

-1 < x

y no tenemos limite mayor, entonces:

(-1, ∞)

con -∞ y ∞ siempre se usan los símbolos ( o )  

c) (–[infinity], –5]  

Las otras notaciones son:

"Un numero menor o igual que -5"

x ≤ -5

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Las otras notaciones son:

-7 ≤ x < 19

[-7, 19)

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Las otras formas de escribir esto son:

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Damm [24]
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