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wlad13 [49]
3 years ago
8

HELP ME PLZ

Mathematics
1 answer:
GarryVolchara [31]3 years ago
5 0

Answer:

(-1,3)

Step-by-step explanation:

Thus;

When (-1,3) is placed in the relation 3x + y =0,the answer will be zero.

<h3>Calculations</h3>

Let;

x= -1

y= 3

3(-1) + 3 =0

-3 + 3 = 0

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How many kilograms of tin will be required to make 250 kg of an alloy, if the alloy must contain 81% copper, 14% tin and 5% lead
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Answer:

35

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Here, we are required to determine after how many minutes will the two substances be at the same temperature.

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For substance B which is currently at 98.5° and rising at 0.8° each minute; It's temperature after x minutes is given as;

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The equation is therefore;.

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Read more:

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