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iris [78.8K]
4 years ago
5

Solve f(2)= 4 x 2^2-8 x 2+1=

Mathematics
1 answer:
aleksklad [387]4 years ago
5 0

Answer:

If you're solving for F then F=1. If you're solving for x then there's no solution


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Answer:

A and C

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HELP ASPA
Ghella [55]

Answer:

The answer is 30 ft²

Step-by-step explanation:

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A quality control specialist for a restaurant chain takes a random sample of size 12 to check the amount of soda served in the 1
Sloan [31]

Answer:

The answer is E. Impossible to determine

Step-by-step explanation:

Normally, you would find the Confidence interval of a normal sample by using

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.However, this approximation of a confidence interval may only be used for a sample if the number of observations is at least 30 or above.  When we have less observations than 30 we must use the standard deviation of the populations. But we only have a sample standard deviation so its not adequate or possible to determine CI the true mean of the population with such a small sample size.

3 0
4 years ago
If 5+ 20 -22-3х - 10.2-2x+5, what is the value of х?
Elodia [21]

Answer:

<h2>3</h2>

Step-by-step explanation:

5+20\cdot2^{2-3x}=10\cdot2^{-2x}+5\qquad\text{subtract 5 from both sides}\\\\20\cdot2^{2-3x}=10\cdot2^{-2x}\qquad\text{divide both sides by 10}\\\\2\cdot2^{2-3x}=2^{-2x}\qquad\text{use}\ a^n\cdot a^m=a^{n+m}\\\\2^{1+2-3x}=2^{-2x}\\\\2^{3-3x}=2^{-2x}\iff3-3x=-2x\qquad\text{subteact 3 from both sides}\\\\-3x=-2x-3\qquad\tex\qquad\text{add}\ 2x\ \text{to both sides}\\\\-x=-3\qquad\text{change the signs}\\\\x=3

8 0
3 years ago
Find the distance between the two points (2, -9) and (-1, 4) round to the nearest tenth .
QveST [7]

Answer:

13.3 units (nearest tenth)

Step-by-step explanation:

\boxed{Distance \: between \: 2 \: points =  \sqrt{ {(x1 - x2)}^{2} +  {(y1 - y2)}^{2}  } }

Using the formula above, distance

=  \sqrt{ {[2 - ( - 1)]}^{2}  + ( - 9 - 4)^{2} }

=  \sqrt{ {(2 + 1)}^{2} + ( - 13) {}^{2}  }

= \sqrt{ {3}^{2} + ( - 13) {}^{2}  }

=  \sqrt{9 + 169}

=  \sqrt{178}

= 13.3 units (nearest tenth)

7 0
3 years ago
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