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2 years ago

Help please i guess?

Mathematics

2 answers:

Readme [11.4K]2 years ago

7 0

Answer:

the middle one.

im just guessing

liubo4ka [24]2 years ago

5 0

Answer:

It is the left one.

Step-by-step explanation:

This (<) symbol shows us which number is bigger. In this case, 4.626 is larger than 4.606, so we put this "<"

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Use Newton's method with initial approximation x1 = −2 to find x2, the second approximation to the root of the equation x3 + x +

nevsk [136]

Answer:

$x_2 \approx -1.769$

Step-by-step explanation:

Let $f(x)=x^3+x+7$

So $f'(x)=3x^2+1$

$x_{n+1}=x_n-\frac{f(x_n)}{f'(x_n)}$

Let $x_1=-2$

We are going to find $x_2$

So we are evaluating $-2-\frac{f(-2)}{f'(-2)}$

First step find f(-2)

Second step find f'(-2)

Third step plug in those values and apply PEMDAS!

$f(-2)=(-2)^3+(-2)+7=-8-2+7=-10+7=-3$

$f'(-2)=3(-2)^2+1=3(4)+1=12+1=13$

$x_2=-2-\frac{-3}{13} \\\\ x_2=\frac{-26+3}{13} \\\\ x_2=\frac{-23}{13} \\\\ x_2 \approx -1.769$

5 0

3 years ago

Please find the surface area of the sphere. Round your answer to the nearest hundredth.

Elenna [48]

Surface area = $\frac{4}{3} \pi r^{3}$ = $\frac{4}{3}$ x 3.14 x 3 x 3 x 3 = 3.14 x 4 x 3 x 3 = 113.04 yd^2 = approx. 113.1 yd^2

4 0

4 years ago

68500 at 19% for 15 years what’s is the monthly payment

lubasha [3.4K]

Answer:

$1,599

Step-by-step explanation:

3 0

3 years ago

Pls help <br><br>What is the range of the function graphed above?!!!!

Flura [38]

I think it’s -infinity

5 0

3 years ago

The owner of a factory wants to determine a confidence interval for the average wages at his factory. The population average wag

iVinArrow [24]

4,034.06 ,5,965.94 are confidence interval for the population average wages at the factory.

What is confidence interval estimation?

Your estimate's mean plus and minus the range of that estimate's fluctuation is called a confidence interval.

If you repeat your test, you can expect your estimate to fall between these numbers with a reasonable degree of certainty. Another term for probability in statistics is confidence.

The formula for confidence interval estimation is:

μ = M ± Z(sM)

where:

M = sample mean

Z = Z statistic determined by confidence level

sM = standard error = √(s2/n)

M = 50000

Z = 2.58

sM = √(30002/64) = 375

μ = M ± Z(sM)

μ = 50000 ± 2.58*375

μ = 50000 ± 965.94

μ = 4,034.06 ,5,965.94

Learn more about confidence interval

brainly.com/question/24131141

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6 0

1 year ago