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bogdanovich [222]
3 years ago
11

4 equivalent expressins to 42+18

Mathematics
1 answer:
maria [59]3 years ago
8 0
1. 30 + 30
2. 20 + 40
3. 12 * 5
4. 300/5

(Bonus)
5. 10 + 50 
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The Mason family's bill for dinner is $55.73. How much should they tip their server? (Assuming they tip the normal 15%)
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Step-by-step explanation:

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the area of a rectangle is 42.15 square meters. if the length is 21 meters, what is perimeters of the rectangle?
Vsevolod [243]

Answer:

perimeters of the rectangle=p=46.014 metres

Step-by-step explanation:

Given that:

Length (l) = 21 m

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Calculation:

As we know that Area of rectangle=A=l*w

Putting the value we get

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3 years ago
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According to the order of operations, which of the following operations should be completed first in the following expression?
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