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3 years ago

Método gráfico 3x+y= 9

Mathematics

1 answer:

ValentinkaMS [17]3 years ago

7 0

Answer:

Graph the line using the slope and y-intercept, or two points.

Slope: −3

y-intercept:

(0,9)

x y. ( 2nd image)

0 9

3 0

image of graph ( 1st image)

Step-by-step explanation:

Hope it is helpful....

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2<br>What is the diameter of this circle if the circumference is 30 inches?

ioda

Answer:

9.55 inches

Step-by-step explanation:

The diameter of a circle can be found by dividing the circumference by pi or 3.14. 30 divided by 3.14 is approximately 9.55.

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3 years ago

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3 years ago

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!

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

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

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

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3 years ago

NEED MATH HELP ASAP

Dafna1 [17]

Answer:

Step-by-step explanation:

Divide the 2nd term by the 1st to find the common ratio or n.

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3 years ago

Método gráfico 3x+y= 9​

Método gráfico 3x+y= 9