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muminat
3 years ago
8

F(x) = −2x3 − x2 + 3x + 1?

Mathematics
2 answers:
MrRa [10]3 years ago
6 0
-5x+1 is the answer i think. You could have wrote the problem a little better tho. Yep that should be it tho




aalyn [17]3 years ago
4 0
Your answer is in the graph below. I hope this helps
Answer: -5x+1

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A polling agency is investigating the voter support for a ballot measure in an upcoming city election. The agency will select a
Setler79 [48]

Answer:

The value is  P( X  >  0.50) = 0.089264

Step-by-step explanation:

From the question we are told that

   The sample size is  n =  500

   The  population proportion is  p =  0.47  

     

Generally given that the sample size is sufficiently large , the mean of this sampling distribution is mathematically represented as

        \mu_x  =  p  =  0.47

Generally the standard deviation of the sampling distribution is mathematically represented as

       \sigma  =  \sqrt{\frac{p(1- p )}{ n} }

=>     \sigma  =  \sqrt{\frac{ 0.47 (1-0.47  )}{ 500 } }

=>     \sigma  = 0.0223

Gnerally the probability that the proportion of voters in the sample of Region A who support the ballot measure is greater than 0.50 is mathematically represented as

          P( X  >  0.50) =  P( \frac{ X - \mu  }{ \sigma }  >  \frac{ 0.50 - 0.47 }{ 0.0223 } )

\frac{X -\mu}{\sigma }  =  Z (The  \ standardized \  value\  of  \ X )

=>        P( X  >  0.50) =  P( Z> 1.3453  )

From the z table  the area under the normal curve to the left corresponding to  1.3453   is

          P( Z> 1.3453  ) =  0.089264

So  

          P( X  >  0.50) = 0.089264

8 0
3 years ago
How is the frequency table with intervals similar to the frequency tables and How is it different?​
stepan [7]
I would help but I’m not good with graphs
4 0
3 years ago
It is impossible to get 6 jacks when selecting cards from a shuffled deck. Express the indicated degree of likelihood as a proba
Vinil7 [7]

Answer:

Probability = 0

Step-by-step explanation:

If something happening is impossible, it's probability of occurring is also 0.

A deck of cards only contains 4 jacks.

Thus you can never get 6 jacks out of the deck without replacing the selected card each time.

Since we are not replacing the cards once we pick them, this event is impossible to occur.

4 0
3 years ago
The formula for converting a temperature in Fahrenheit what temperature in Celsius is C equals 5/9 times The formula for convert
jeka57 [31]

Answer:

50 degrees C

Step-by-step explanation:

5/9(F-32)

5/9=.55555556

(122-32)=90

90×.555555556=50

4 0
3 years ago
Read 2 more answers
Find the future value of $2000 invested at annual rate of 2.4% compounded quarterly for 8 years. Round your answer to hundredths
MatroZZZ [7]

Answer: $2421.95

Step-by-step explanation:

A = p(1 + r/n) ^nt

A= 2000(1+0.024/4)^4x8

A= 2421.95

3 0
3 years ago
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