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Alenkasestr [34]
2 years ago
10

-15x+8y=-30 -5x+5y=-10

Mathematics
1 answer:
Scilla [17]2 years ago
4 0

Answer:(x,y)=(6,10)


Step-by-step explanation:


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As the average daily temperature in New York City decreases, the number of persons who are observed wearing sweaters in the work
ruslelena [56]

When the average daily temperature in New York City decreases, the number of persons who are observed wearing sweaters in the workplace increases, this implies a<u> </u><u>negative correlation.</u>

Negative correlation simply means the relationship between two variables where as one variable increases, the other variable will reduce.

Therefore, in a situation where the average daily temperature in New York City decreases and the number of persons who are observed wearing sweaters in the workplace increases, this illustrates a negative correlation.

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2 years ago
What number is 28% of 25?
Anvisha [2.4K]

Answer:

7

Step-by-step explanation:

what number is 28% of 25

Is means equals and of means multiply

N = 28% of 25

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7 0
3 years ago
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I am a real number
Elden [556K]

Answer:Any number less than -13.

Step-by-step explanation:

If the number is real and rational and non-natural, this means that it can be any number in the negative number space.

Additionally, since the number has to be less than -13, then the number could be any number less than -13.

With all these things considered, the number is any number less than -13 that is real and rational.

Cheers.

5 0
3 years ago
Estimate a 15% tip on a dinner bill of $81.66 by first rounding the bill amount to the nearest ten dollars.​
julia-pushkina [17]

Answer:

12 dollars

Step-by-step explanation:

Round the bill to the nearest ten dollars

81.66 rounds to 80 dollars

80 * 15%

80 *.15

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3 0
3 years ago
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Dale has $1,000 to invest. He has a goal to have $2,400 in this investment in 12 years. At what annual rate compounded continuou
Hatshy [7]

Answer:

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Step-by-step explanation:

Given that

The invested amount is $1,000

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So,

As we know that

Amount = Present value × e^(rate × time)

$2,500 = $1,000 × e^(rate × 12)

2.5 = e^(rate × 12)

ln 2.5 = 10r

ln 2.5 ÷ 10 = r

r = 9%

3 0
2 years ago
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