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3 years ago

Real numbers $x$ and $y$ satisfy the equation $x^2 + y^2 = 10x - 6y - 34$. What is $x+y$?

Mathematics

1 answer:

nadya68 [22]3 years ago

8 0

Answer:

Step-by-step explanation:

The equation can be rewritten as ...

... (x -5)² + (y +3)² = 0 . . . . . . a circle of radius 0 centered at (5, -3)

This is the equation of the point (5, -3). So, ...

... x + y = 5 - 3 = 2

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3 years ago

How would you describe the correlation in the data? Explain your reasoning.

OleMash [197]

Answer:

Where is the options

Step-by-step explanation:

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3 years ago

There are 3 blue marbles, 6 red marbles, 2 green marbles and 1 black marble in a bag. Suppose you select one marble at random. F

laila [671]

Answer:

For blue its 3/12 = 1/4 = 25%

For red it's 6/12= 1/2= 50%

For green 2/12= 1/6= 17%

For black 1/12= 8%

Step-by-step explanation:

All you have to do is add up all the marbles 3 + 6 + 2 + 1 = 12 and then you put the number of marbles for each color and divide it by 12 which gives you those percentages. I don't know if you wanted the answers in percentages or fractions so I gave you both . Good luck!!

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3 years ago

Which method or methods listed below describe a solid system for keeping financial records? I. Making a mental note of all purch

Nikitich [7]

Financial records are important records and thus, needs to be saved safely. The method for solid system to keep it is: Option d. I, II, and III

<h3>How to safely keep financial records and why?</h3>

Financial records are records of all financial transactions and receipts. They're needed for future cases like some contradictions, to get past details, to analyze data to make prediction about future sale and for development of the organization etc.

For keeping them, they should be saved in an easily accessible, and hardly destroy-able place. So that its prevented safely but accessible faster with correct authentication.

For the given case, for solid system for keeping financial records, we can actually follow all the three steps provided.

I. Making a mental note of all purchases made during the week. II. Recording money spent in a hand-held notebook. III. Organizing receipts and transactions on a computer.

Thus,

The method for solid system to keep it is: Option d. I, II, and III

Learn more about financial records here:

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