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choli [55]
3 years ago
12

Answer plz !! Whats the contrapositive ?

Mathematics
2 answers:
Andre45 [30]3 years ago
8 0

Answer:

It should be the first answer.

Step-by-step explanation:

The first answer says "If Nemo is a fish, then he swims". That makes sense. Then the second one says "If Nemo does swim, then he is a fish". That would make sense, but if my name was Nemo, I can swim. That doesn't mean I'm a fish. The the third one says "If Nemo is not a fish, then he doesn't swim". That doesn't make sense. Say my name is Nemo. I'm not a fish. I can swim though!

nikklg [1K]3 years ago
5 0

Answer:

If Nemo is a fish, then he swims.

Step-by-step explanation:

The contrapositive is

If A implies B then not B implies not A.

If Nemo does not swim, then he is not a fish, so:

The contrapositive is:  If Nemo is not not a fish then he does not not swim.

= If Nemo is a fish, then he swims.

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A copy machine makes 253 copies in 5 minutes and 45 seconds. How many copies does it make per minute?
Tomtit [17]

Answer:

Step-by-step explanation:

it makes 253 copies in 5 mins 45 seconds

that is to say, 253 copies in 345 seconds

In 1 minute (60 seconds) it will make X copies.

Lets draft an equation to easily express and simplify the problem.

253 copies = 345 seconds

X copies = 60 seconds

lets cross multiply and solve for X

Theefore:

x * 345 = 254 * 60

345x = 15,240

divide through by 345

x = 15240 / 345

x = 44.17

therefore, the copying machine makes approximately 44 copies per minutes

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Step-by-step explanation:

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Step-by-step explanation:

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