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3 years ago

What are the roots of the polynomial equation x^3-6x=3x^2-8? Use a graphing calculator and a system of equations.

Mathematics

2 answers:

agasfer [191]3 years ago

5 0

Answer:

D.) -2, 1, 4 <3

Step-by-step explanation:

This is correct for edge, just took the quiz :)

Tanzania [10]3 years ago

3 0

Given the polynomial equation x^3 -6x = 3x^2 – 8. Which can be simplified into (x^3) -3(x^2) -6x +8 = 0. The roots of the given equation are x = -2, x = 1 and x = 4. The order of equation also represents the number of roots of the equation given. Since the highest exponent is 3, there also 3 roots. So the answer is D. 2 –2, 1, 4

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What is the approximate value of x in the equation below? log Subscript 5 Baseline 15 = x + 3

Lilit [14]

12=x ! Just subtract 3 from both sides.

8 0

2 years ago

A blimp is flying at a speed of 40mph and going in a direction of 80 degrees. After 3 hours of flying it turns and travels 1 hou

kykrilka [37]

Bearing is a topic that can be used to locate the position of an object at a given time. Therefore, the blimp is 80 m far away from its starting point. And in the North-East direction.

The speed of an object relates the distance it covers to the time taken to cover the said distance.

i.e speed = $\frac{distance}{time taken}$

⇒ distance = speed x time taken

In the given question, the initial distance covered can be determined as;

distance = 40 mph x 3 h

= 120 m

The final distance covered can be determined as;

distance = 40 mph x 1 h

= 40 m

Let the distance from its starting point to its final location be represented by x.

Thus applying the Cosine rule, we have:

$c^{2}$ = $a^{2}$ + $b^{2}$ - 2abCos C

$x^{2}$ = $120^{2}$ + $40^{2}$ - 2(120 x 40) Cos 90

= 14400 + 1600 - 9600

$x^{2}$ = 16000 - 9600

= 6400

x = $\sqrt{6400}$

= 80

x = 80 m

Therefore, the distance of the blimp from its starting point to its final destination is 80 m.

For more clarifications on bearings, visit: brainly.com/question/22979472

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6 0

2 years ago

Q # 8 please helme to resolve

kondor19780726 [428]

Sequence 1,5,9,13,...

A(0) = 1 +4x0=1

A(1) =1 + 4x1 = 5

A(2) = 1+ 4x2= 9

A(3) = 1 +4x3=13

A(n)= 1+4n A(n-1) = 1+4(n-1) =1+4n-4= - 3+4n

A(n) - A(n-1) = (1+4n) - (-3=4n) = 4

A(n) = A(n-1) +4; 29 is the answer

4 0

3 years ago

If triangle ABC is similar to triangle EHG, find the measure of angle EHG.

Ksju [112]

First we need to find all the interior angles. So we know that the inside of a triangle (all the angles added up) equals 180. So we need to equal all the inside angles to 180. 

2x + x + 60 = 180

Now lets start to solve. First let's subtract the 60 from both sides.

2x + x = 120

Now we need to add the x's together.

3x = 120

Now we must divide the 120 by 3 to get x by itself.

x = 40

Now just replace the x with 40 to find each of the sides. I'm guessing the triangles are reflecting each other so <EHG would be equal to 80.

ALSO to check if 40 would be correct, add all the angles together in the same triangle and they SHOULD add up to be 180! Which they do!

3 0

3 years ago

Read 2 more answers

What percent of 200 is 0.5?

Archy [21]

0.25% = 0.5/200
hope this helps!

make me brainliest please if possible :)

7 0

4 years ago