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S_A_V [24]
4 years ago
10

What is the value of the function when x = 2?

Mathematics
1 answer:
IceJOKER [234]4 years ago
4 0

Answer:

If -2 wrong then I am sorry.

Step-by-step explanation:

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Find the zeros (roots) of the following equations. f(x) = 2x5 - 9x4 + 12x3 - 12x2 + 10x - 3 = 0
Talja [164]
Hi,
f(1)=2*1^5-9*1^4+12*1^3-12*1^2+10*1-3\\
=2-9+12-12+10-3\\
=0\\

f(x)=(x-1)(2x^4-7x^3+5x^2-7x+3)\\


g(x)=2x^4-7x^3+5x^2-7x+3\\

g(3)=2*3^4-7*3^3+5*3^2-7*3+3\\
=162-189+45-21+3\\
=0\\

g(x)=(x-3)(2x^3-x^2+2x-1)\\

h(x)=2x^3-x^2+2x-1\\

h( \dfrac{1}{2} )=2* \dfrac{1}{8} - \dfrac{1} {4}+1-1\\
=0\\

h(x)=(2x-1)(x^2+1)\\


f(x)=(x-1)(x-3)(2x-1)(x+i)(x-i)\\



Roots are 1,3,0.5,i,-i.

8 0
3 years ago
Answer true or false and explain your answer. If it is important not to reject a true null​ hypothesis, the hypothesis test shou
riadik2000 [5.3K]

Answer: No, The goal when testing a hypothesis is to to guess a large significant level to possibly have the answer correct based upon evidence. False. It needs to be a large significant level

Step-by-step explanation:

8 0
3 years ago
BRAINLIEST!!
tekilochka [14]

Answer:

\frac{1}{20}

Step-by-step explanation:

First, we need to look at the # of chips. There are a total of 25, 6 of which are blue.

This means that the chance of getting the first blue chip would be \frac{6}{25}

As there is no replacement, the total number of chips is 24 and there are only 5 blue left. This gives us the chance of \frac{5}{24}

Now all we need to do is mulitply these two and then simplify

\frac{6}{25} *\frac{5}{24} =\frac{30}{600} =\frac{1}{20}

6 0
3 years ago
Read 2 more answers
please help me i will mark brainliest!!! Rewrite as a simplified fraction 0.612 also the 12 is repeating
Aleksandr [31]

Answer:

= 68/111

Step-by-step explanation:

4 0
3 years ago
MINING A mine produces 42.5 tons of coal per hour. How much coal will the mine produce in 9.5 hours?
vladimir1956 [14]

Given

MINING A mine produces 42.5 tons of coal per hour.

Find out the how much coal will the mine produce in 9.5 hours.

To proof

As given in the question

A mine produces 42.5 tons of coal per hour i.e in the 1 hour mine produces the 42.5 tons .

Let us assume that the coal produce in the 9.5 hours be x.

than the equation becomes

x = 9.5 × 42.5

x =  403 . 75 tons

 403 . 75 tons coal will the mine produces in the 9.5 hours.

Hence proved








7 0
3 years ago
Read 2 more answers
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