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Leya [2.2K]
3 years ago
10

Add [1/2x-4+2y]+[2/5x+5-4y]=

Mathematics
1 answer:
SashulF [63]3 years ago
7 0

Answer:

9/10x-2y+1

Step-by-step explanation:

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Anna71 [15]

Answer:

Liquid R has a mass of of 1 kg at a temperature of 30°c kept in a refrigerator to freeze . Given the specific heat capacity is 300 J kg-¹ °c-1 and the freezing point is 4°c . Calculate the heat release by liquid R.

Step-by-step explanation:

Liquid R has a mass of of 1 kg at a temperature of 30°c kept in a refrigerator to freeze . Given the specific heat capacity is 300 J kg-¹ °c-1 and the freezing point is 4°c . Calculate the heat release by liquid R.

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3 years ago
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Statements are all TRUE

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3 years ago
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emmainna [20.7K]

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The correct answer is B ; Karla must determine the area of a floor in her house.

4 0
3 years ago
The price of oil recently went from ​$10.50 to ​$12.60 per case of 12 quarts. Find the ratio of the increase in price to the ori
wolverine [178]
To find the percent increase you will create a ratio of the difference between the 2 prices and the starting price.

<u>(12.60-10.50)
</u>     10.50
<u>
2.10
</u>10.50
<u>
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</u>1050
<u>
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</u>
8 0
3 years ago
Im so confused. :/ Anyone?
ArbitrLikvidat [17]
First one = 9x3=27

Second one 12x9=108

3rd one = 3x4=12
 
Idk what that last one is
7 0
3 years ago
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