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mash [69]
3 years ago
9

Which is a prime number 60 67 65 63

Mathematics
1 answer:
KatRina [158]3 years ago
4 0
Use the rule of divisibility :
60 is composite because it is even so it can be divided by 2
67 is prime because none if the divisiblility rules work on it
65 is composite because it has a five by the end which means it can be divided by 5
63 is composite because the sum of the digits equal to nine which can be divided by 3 and nine
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Which equation can be represented using the number line?
kvasek [131]

Answer:

the first one : 3/4 ÷ 1/8 = 6

Step-by-step explanation:

remember, dividing something by a fraction is the same as multiplying by the upside-down fraction.

like here

3/4 ÷ 1/8 = 3/4 × 8/1 = 3×8 / 4×1 = 24/4 = 6

you can see that confirmed in the graph, where every 1/4 contains 2/8. so, 1/8 fits 6 times into 3/4.

the other answer options are simply not true

1/8 ÷ 3/4 = 6

1/8 × 4/3 = 4/24 = 1/6 <> 6

6 ÷ 3/4 = 1/8

6/1 × 4/3 = 24/3 = 8 <> 1/8

6 ÷ 1/8 = 3/4

6/1 × 8/1 = 48 <> 3/4

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3 years ago
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Answer:

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Step-by-step explanation:

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18 = 2 x 3 x 3

The LCM = 2 x 3 x 3 x 5 x 7

= 630.

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Answer:

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