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Andrew [12]
3 years ago
11

a sound wave travels through iron at a rate of 5120m/s. at what rate does the sound wave travels in km/h?

Mathematics
1 answer:
Sladkaya [172]3 years ago
3 0
5120 m/s = 18.432<span> kph 

</span>Conversion base : 1 mps = 3.6 kphConversion base : 1 kph = 0.27777777777778 mps<span>
</span>
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in a class there are 115 students going on a field trip 2/5 are bringing a notebook on the field trip how many students are brin
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Answer:

46

Step-by-step explanation:

(2/5)*115

230/5

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4 0
3 years ago
Cual es el valor de un esfero cuando la docena se compra en $7848? Area de un triangulo de 9 unidades de base y 6 unidades de al
aniked [119]

Answer:

a) $654

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c) 721

Step-by-step explanation:

a) ¿Cuál es el valor de un bolígrafo cuando la docena se compra por $ 7848?

Una docena = 12

Por eso:

12 bolígrafos = $ 7848

1 bolígrafo = $ x

Cruz multiplicar

12 bolígrafos × $ x = 1 bolígrafo × $ 7848

$ x = 1 bolígrafo × $ 7848/12

$ x = $654

b) Área de un triángulo ¿9 unidades de base y 6 unidades de altura?

Área de un triángulo =

= 1/2 × Base × Altura

1/2 × 9 × 6

= 27 unidades cuadradas

c) Cien veces la suma de 4.5 con 2.71

Esto se calcula como:

100 × (4,5 + 2,71)

= 100 × (7.21)

= 721

6 0
2 years ago
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Answer:

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What transformation has occurred
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Answer:

Step-by-step explanation:

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7 0
3 years ago
Convert 0.04 to a fraction in lowest terms. *
klasskru [66]

Answer:

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Step-by-step explanation:

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8 0
3 years ago
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