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kykrilka [37]
3 years ago
6

Katherine baked a round cake that is 9 inches in diameter. She wants to decorate the cake by putting a piece of ribbon around th

e bottom. About how long does the ribbon need to be to wrap around the cake?
Mathematics
2 answers:
kaheart [24]3 years ago
5 0

Answer:

28.26 inches long of ribbon

avanturin [10]3 years ago
5 0

Answer:

5

Step-by-step explanation:

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Solve c: P = a+b+c+d / 4
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Answer:

  • as written: c = P - a - b - d/4
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Step-by-step explanation:

The meaning of the given expression is ...

  P = a + b + c + (d/4)

To solve for c, subtract all the terms on the right side not containing c.

  P -(a + b + (d/4)) = c

  c = P - a - b - (d/4)

_____

In such equations, parentheses are commonly missing. If that is the case here, then first we undo the division by 4, then we subtract the "not c" terms.

  P = (a + b + c + d)/4 . . . . maybe what you meant

  4P = a + b + c + d . . . . . . multiply by 4

  4P - (a +b +d) = c

  c = 4P -a -b -d

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Answer:

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