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ella [17]
3 years ago
13

Como resolver estas operaciones

Mathematics
1 answer:
Basile [38]3 years ago
4 0

Answer:

a) 64

b)11664

Step-by-step explanation:

Se tiene que seguir la jerarquía de operaciones y la ley de los signos. Primero resuelve lo que esta dentro de paréntesis. ejm:

a) 8+ (5+3)=

   8+(8)=

   8(8)=    (multiplicamos)

    64

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Luba_88 [7]

Answer:

Mrs. Habib will have 22.25 feet of border left after she puts border around the board.

Step-by-step explanation:

You must find the perimeter of the board and subtract it from the amount of border she has to find how much she will have left after she uses it. The formula for perimeter is P=2(l+w), where l= the length of the board, and w= the width of the board. You will add those together and multiply them by 2 because there are 4 sides to a rectangle. That means this equation will look like:

P=2(8.25+3.75)

Now you can just solve for the perimeter.

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The perimeter is 24 feet. That means it will take 24 feet of border to cover her board. In order to find out how much she'll have left over, just subtract 24 from the total amount of border she has.

46.25-24=22.25

Therefore Mrs. Habib will have 22.25 feet of border left over after she covers the bulletin board.

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