3 years ago

Please answer correctly !!!!!!!! Will mark brainliest !!!!!!!!!!!!!!

Mathematics

1 answer:

jeka943 years ago

6 0

I think this is correct i could be wrong tho

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butalik [34]

3. Yes the cost of each item is proportional because in each pack each t-shirt cost $2.33. You can check that by dividing the amount of money each pack cost by the amount of shirts in each pack. For example the pack of 3 is $7, so 7/3 = $2.33. The pack of 5 cost $11.65, so 11.65/5 = $2.33. And the pack of 7 cost $16.31, so 16.31/7 = $2.33

4) Yes, it is proportional because each x is being squared or multiplied by it’s self.

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3 years ago

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mestny [16]

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how many floors the elevator goes down per unit of time

Step-by-step explanation:

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3 years ago

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Wewaii [24]

3x+4=y+5, then y+5=3x+4
It is called: reflexive property

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x = y and y = 10, then x = 10
It is called: equality substitution property