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seropon [69]
3 years ago
12

PLS HELP DUE TODAY!!! 29 POINTS!!!(05.03)Calculate the area of the figure below using the following information:

Mathematics
2 answers:
Marat540 [252]3 years ago
8 0

Answer:

39.2 square units is the answer

GaryK [48]3 years ago
8 0

39.2Step-by-step explanation:

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3 years ago
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jason mixed 8ml of a salt solution with 11ml of a 47% salt solution to make a 43%salt solution. find the percent salt concentrat
choli [55]

Let x% be the salt concentration of first solution.

Then in 8ml, amount of salt = \frac{8x}{100}

Given that to this 8ml solution, 11ml solution of a 47% salt solution is mixed.

amount of salt in 11ml of 47% salt solution is \frac{11*47}{100} = \frac{517}{100}

So, total amount of salt in new mixture = \frac{8x}{100} +\frac{517}{100} = \frac{8x+517}{100}

But given that this new solution is a 43% salt solution.

Hence amount of salt in new mixture of (8+11)=19ml solution of 43% salt solution is \frac{19*43}{100} = \frac{817}{100}

Hence \frac{8x+517}{100} = \frac{817}{100}

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             8x=817-517 = 300

          x= 300/8 = 37.5

Hence the salt concentration in the first solution is 37.5%

8 0
3 years ago
What is 32% of 4 because I don't know if I doing my calculations right?
GuDViN [60]

Answer:

1.28

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32% of 4

0.32 × 4

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Answer:

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Step-by-step explanation:

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