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Scorpion4ik [409]
3 years ago
14

Thank you because I'm in 3rd grade

SAT
1 answer:
Sav [38]3 years ago
5 0
You welcome have a good friday
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The graph of f(x) = x6 – 2x4 – 5x2 + 6 is shown below. On a coordinate plane, a graph of a function is in all four quadrants. It
kondaur [170]

Answer:

There are two rational roots for f(x)

Explanation:

We are given a function

f(x) = x^6-2x^4-5x^2+6f(x)=x6−2x4−5x2+6

To find the number of rational roots for f(x).

Let us use remainder theorem that when

f(a) =0, (x-a) is a factor of f(x) or x=a is one solution.

Substitute 1 for x

f(1) = 1-2-5+6=0

Hence x=1 is one solution.

Let us try x=-1

f(-1) = 1-2-5+6 =0

So x =-1 is also a solution and x+1 is a factor

We can write f(x) by trial and error as

f(x) = (x-1)(x+1)(x^2-3)f(x)=(x−1)(x+1)(x2−3)

We find that f(x) (x^2-3)f(x)(x2−3) factor gives two irrational solutions as

±√3.

Hence number of rational roots are 2.

7 0
2 years ago
A study of the amount of time it takes a mechanic to rebuild the transmission for a 2010 Chevrolet Colorado shows that the mean
Basile [38]

Answer:

The answer is 0.9599.

Explanation:

mu (sample) = mu = 8.4

s.d. (sample) = 1.8/ sq. rt. 40

P( greater than 8.1) = (8.9-8.4)/(1.8/ sq. rt. 40)

Let x be the mean time for the 40 mechanics

Standardize the mechanics: (8.9-8.4)/(1.8/ sq. rt. 40) = 1.75 = Z

P( x > 8.9) = P(Z > 1.75), this means the area to the right of Z = 1.75.

Then you need to look in the table of the Normal distribution, Z(1.75) =0.9599

8 0
3 years ago
Read 2 more answers
What is arianators??​
Sloan [31]

Answer:

it's a noun means a fan of American singer songwriter and actress Ariana Grand

4 0
3 years ago
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This question is for every budy
kondor19780726 [428]

Answer:Whip out the 400 round nerf minigun

Explanation:cant escape it

8 0
3 years ago
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Read an excerpt from the nobel lecture by al gore: now science is warning us that if we do not quickly reduce the global warming
Crank

The theme of the given speech is the warning for the care of the natural resources as it turn into disaster.

<h3>What is a theme?</h3>

A theme is given as the message that has been delivered with the talk, play or the speech or any other art or literature practice.

The excerpt given is comprising the speech related to the environmental issues and the warning about the proper care to be taken. It is mentioned that the resources may turn in the disaster. Thus, the theme of the excerpt is given as to take care of natural resource to stop the disaster.

Learn more about theme, here:

brainly.com/question/11108997

#SPJ1

5 0
2 years ago
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