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alexandr1967 [171]
3 years ago
10

Find the HCF and LCM of 20 and 38

Mathematics
2 answers:
Anna007 [38]3 years ago
5 0
I want to help but i remembered im too dumb to know the answer im sorry :((
Vika [28.1K]3 years ago
4 0

Answer:

LCM = 380

HCF = 2

Step-by-step explanation:

Least common multiple (LCM) of 20 and 38 is 380

Greatest common factor (GCF) of 20 and 38 is 2

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El perímetro de un rectángulo es 28cm, uno de los lados es 6cm más que el otro lado. Hallar el mayor lado del rectángulo.
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Answer: El mayor lado del rectangulo tiene 10cm

Step-by-step explanation:

El perímetro de un rectángulo puede escribirse como:

P = 2*L + 2*A

Donde L es el largo y A es el ancho.

Sabemos que uno de los lados es 6cm mas largo que el otro, entonces podemos escribir:

L = A + 6cm.

P = 28cm = 2*L + 2*A

podemos reemplazar la primera ecuación en la segunda:

28cm = 2*(A + 6cm) + 2*A

28cm =  12cm + 4*A

28cm - 12cm = 4*A

16cm/4 = A

4cm = A.

Entonces el ancho es 4 cm, y el largo es L = 4cm + 6cm = 10cm

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Step-by-step explanation:

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