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3 years ago

A shark was swimming at 20 feet below sea level. it descended 36 feet. where is it now?

1 answer:

3 0

The shark was swimming at 20 feet below sea level then the shark descended 36 feet so the shark was 56 feet below sea level. Then the shark ascended 7 feet so the shark end up at 49 feet below sea level. 20+-36= 50 feet below , 56-7 feet= 49 feet below sea level.

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Jessica solved for the correct value of a, but Sally's review was incorrect.

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3 years ago

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There are 10 multiple choice questions in an examination. first 4 have 5 choices each and remaining have 4 choices each. how man

stira [4]

2560000 sequences of answers are possible.

<em><u>Explanation</u></em>

Total number of questions = 10

First 4 questions have 5 choices each and remaining (10-4)= 6 questions have 4 choices each.

So, the possible sequences of answers for first 4 questions $= 5^4 = 625$

and the possible sequences of answers for remaining 6 questions $= 4^6=4096$

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3 years ago

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goldfiish [28.3K]

Answer:

The volume of can A is half the volume of can B.

Step-by-step explanation:

Given

Can A and Can B

Required

The true statement

For Can A, we have:

$h =8$

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$Volume = \pi r^2h$

This gives:

$V_A = \pi * 0.5^2 * 8$

$V_A = \pi * 2$

$V_A = 2\pi$

For Can B, we have:

$h =4$

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The volume is:

$Volume = \pi r^2h$

This gives:

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$V_A = 2\pi$

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By comparison, (d) is correct

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3 years ago

One third kaylee's age increased by 12 is equal to twice her age decreased by 3. how old is kaylee?

andreyandreev [35.5K]

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dusya [7]

The value of x equals 30.

Step by Step explanation:

All sides are equal so you know the angle lengths are equal. When you multiple 2x by 3 you get 6x. All angles of a triangle add up to 180 so you divide 180 by 6 and you get 30. Hope This Helps!

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3 years ago