4 years ago

X²+2xy+y²+x²-2xy+y² =

Mathematics

1 answer:

Sunny_sXe [5.5K]4 years ago

3 0

The solution to the equation is 3x-x+2=4.

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Select the correct answer.

sladkih [1.3K]

Answer:

Step-by-step explanation:

Because this ia so simple I don't even need to explain to waste my last few brain cells.

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3 years ago

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14(0.89)^x+4.5 =162

lisabon 2012 [21]

$14(0.89)^{x + 4.5} = 162$
$\frac{14(0.89)^{x + 4.5}}{14} = \frac{162}{14}$
$0.89^{x + 4.5} = 11\frac{4}{7}$
$ln(0.89^{x + 4.5}) = ln(11\frac{4}{7})$
$(x + 4.5)ln(0.89) = ln(11\frac{4}{7})$
$\frac{(x + 4.5)ln(0.89)}{ln(0.89)} = \frac{ln(11\frac{4}{7})}{ln(0.89)}$
$x + 4.5 = -2101.14032500$
$x = 2105.64032500$

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3 years ago

Ricky has seven dollars and one cent.<br> How is that amount written using a dollar sign?

Mashcka [7]

Answer:

$7.01

Step-by-step explanation:

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3 years ago

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A spinner is divided into five colored sections that are not of equal size: red, blue, green, yellow, and purple. The spinner is

MAXImum [283]

The answer is 0.04 (I hope). Here is an explanation:

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3 years ago

The population of Laredo, Texas, was about 215,000 in 2007. It was about 123,000 in 1990,

Gnom [1K]

$\text{Hello there!}\\\\\text{We're trying to find the rate of change of the population}\\\\\text{We see that the population increased over time, meaning that our rate of}\\\text{change would be positive}\\\text{We know that:}\\\\\text{In 2007 = 215,000 people}\\\\\text{In 1990 = 123,000 people}\\\\\text{Subtract 215,000 by 123,000}\\\\215000-123000= 92,000\,\text{increase in the population}\\\\2007-1990 = 17\,\text{years}\\\\\text{Divide 92,000 by 17}\\\\92000\div17=5,411.76\\$

$\text{Round to the nearest whole number:}\\\\5,412\\\\\boxed{\text{Rate of change: 5,412}}$

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3 years ago