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Mathematics 7 Online
badgirl:

I need help plz

badgirl:

a duck is 2 feet below the surface of the pond if its position is recorded as 2 feet what would the position of 0 represent.

badgirl:

A 2 feet below water. B 2 feet above water c the buttom of the pond D on the surface of the pond

Mercury:

just to clarify: does it say position is recorded as 2 feet, or -2 feet?

badgirl:

yes

Mercury:

no, does it say "2 feet" or does it say "-2 feet"

badgirl:

2 feet

Mercury:

hm. that's a little strange, I was just wondering because going under the surface is represented by negative numbers.

badgirl:

i mean -2 feet

Mercury:

ok, cool, just making sure as I said, negative numbers usually represent depth under the surface of water so -2 feet represents the duck being 2 feet under the water. now, let's think about this: what if the duck swam 2 feet up? -2 + 2 = 0 the duck would now be at 0. where is the duck now?

Mercury:

is it 2 feet above, 2 feet below, at the bottom of the pond, or at the surface?

badgirl:

whats the final answer

Mercury:

i'll try drawing a diagram to help illustrate it: |dw:1604461623050:dw|

Mercury:

|dw:1604461644434:dw| notice how the duck is 2 feet below the surface?

badgirl:

\(\color{#0cbb34}{\text{Originally Posted by}}\) @Mercury i'll try drawing a diagram to help illustrate it: Created with Raphaƫlsurface of the waterReply Using Drawing \(\color{#0cbb34}{\text{End of Quote}}\)

Mercury:

|dw:1604461681015:dw|

Mercury:

see where the duck is now?

badgirl:

so what is it

Mercury:

do you see how the duck is 2 feet below the surface it swims 2 feet up and now it's at the surface

badgirl:

thank you how old r u

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