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Temka [501]
2 years ago
5

Find the Sum (3x+x^7 +5x^2) +( 4x^2 -2x +8).

Mathematics
1 answer:
dexar [7]2 years ago
5 0

Answer:

x^7 + 9x^2 + x + 8  

Step-by-step explanation:

Combine like terms

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|2|, |11 ¾|, |-12|, |-20.5|

Step-by-step explanation:

When you have absolute value, you basically remove the negative symbol.

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Type the correct answer in the box. Use numerals instead of words. If necessary, use / for the fraction bar.
KengaRu [80]

Answer:

Using the ratio and proportion method, we find that on an average 1.875 rooms can be painted per gallon.

Step-by-step explanation:

Concept: Use the method of ratio and proportion. Given that for 2/5 gallons of paint, we can paint 3/4 of rooms. So, for one gallon of paint, divide 2/5 by 3/4.

2/5 gallons of paint = 3/4 rooms

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So, on an average they can paint 1.875 rooms per gallon.

For more explanation, refer the following link

brainly.com/question/11243787

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8 0
2 years ago
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Nadusha1986 [10]

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Step-by-step explanation:

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Hope that this helps!

3 0
3 years ago
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(

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Step-by-step explanation:

8 0
3 years ago
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