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MatroZZZ [7]
3 years ago
6

Find the length of the third side to the nearest tenth.

Mathematics
1 answer:
Tanya [424]3 years ago
5 0
The correct answer is
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Based on the polynomial remainder theorem, what is the value of the function when x = 3?
dsp73

Answer:

64

Step-by-step explanation:

Evaluate x^4 + 3 x^3 - 6 x^2 - 12 x - 8 where x = 3:

x^4 + 3 x^3 - 6 x^2 - 12 x - 8 = 3^4 + 3×3^3 - 6×3^2 - 12×3 - 8

3^3 = 3×3^2:

3^4 + 3×3×3^2 - 6×3^2 - 12×3 - 8

3^2 = 9:

3^4 + 3×3×9 - 6×3^2 - 12×3 - 8

3×9 = 27:

3^4 + 3×27 - 6×3^2 - 12×3 - 8

3^2 = 9:

3^4 + 3×27 - 69 - 12×3 - 8

3^4 = (3^2)^2:

(3^2)^2 + 3×27 - 6×9 - 12×3 - 8

3^2 = 9:

9^2 + 3×27 - 6×9 - 12×3 - 8

9^2 = 81:

81 + 3×27 - 6×9 - 12×3 - 8

3×27 = 81:

81 + 81 - 6×9 - 12×3 - 8

-6×9 = -54:

81 + 81 + -54 - 12×3 - 8

-12×3 = -36:

81 + 81 - 54 + -36 - 8

81 + 81 - 54 - 36 - 8 = (81 + 81) - (54 + 36 + 8):

(81 + 81) - (54 + 36 + 8)

| 8 | 1

+ | 8 | 1

1 | 6 | 2:

162 - (54 + 36 + 8)

| 1 |  

| 5 | 4

| 3 | 6

+ | | 8

| 9 | 8:

162 - 98

| | 15 |  

| 0 | 5 | 12

| 1 | 6 | 2

- | | 9 | 8

| 0 | 6 | 4:

Answer:  64

5 0
3 years ago
Read 2 more answers
A square has a side length of 12 cm. Which of the following is closest to the length of its diagonal? A) 9 cm B) 12 cm C) 12v 2
kondaur [170]
C) 12V2
12^2 + 12^2 = c^2
144 + 144 = 288
V288 = 12V2
6 0
2 years ago
Select the function that’s represented in the graph
vesna_86 [32]

Answer:

D.

Step-by-step explanation:

you can use a graphing calculator to graph the equation and match it with the picture.

6 0
3 years ago
Use a calculator to solve for theta in the given interval
Allushta [10]

Answer:

d. 1.82\: or\:4.46

Step-by-step explanation:

The given trigonometric equation is;

\sec \theta=-4.0545

Recall that;

\cos \theta=\frac{1}{\sec \theta}

\implies \cos \theta=\frac{1}{-4.0545}

\implies \cos \theta=-0.2466

The cosine function is negative in the second and third quadrant.

\theta=\pi-\cos^{-1}(0.2466)\: or\:\pi+\cos^{-1}(0.2466)

\theta=1.82\: or\:4.46

4 0
3 years ago
How do you create an expression where the distributive property needs to be applied.
Thepotemich [5.8K]
Add ( ) around part of the equation making sure there is a number in foront of it.

ex.) f(x) = 4(3x+13) -21 
3 0
3 years ago
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