3 years ago

Select the correct answer.

Mathematics

2 answers:

Masteriza [31]3 years ago

7 0

Answer: B

Step-by-step explanation: I just took the test

Effectus [21]3 years ago

3 0

Answer:c

Step-by-step explanation:

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Please Help! Look at the picture down below. I don't understand this question at all.

Verdich [7]

U need a calculator

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2 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!

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

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

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

5 0

3 years ago

9 2/5-3 4/10<br> yo anyone have the answer

mamaluj [8]

Answer:

Step-by-step explanation:

9 and 2/5 is the equivilent to 9 and 4/10

9 4/10 - 3 4/10 = 6 0/10

5 0

3 years ago

The reasons as well as the answer

Radda [10]

Answer:

x = 46, y = 67

Step-by-step explanation:

x = ∠ AEC = 46 ( alternate angles )

Since Δ ACE is isosceles then the base angles are congruent, then

y = $\frac{180-46}{2}$ = $\frac{134}{2}$ = 67

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3 years ago

Read 2 more answers

Determine the minimum and maximum points in the function x2+4x+1

olga2289 [7]

7 is the right answer your looking for.

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3 years ago