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Ainat [17]
2 years ago
5

I don’t know how to figure out how many roots is has

Mathematics
2 answers:
Simora [160]2 years ago
8 0

Answer:

1) 3 roots

2) 2 roots

3) 4 roots

Nikolay [14]2 years ago
4 0

Answer:

first one has 3 roots

second one has 2 roots

third one has zero roots

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According to the Fundamental Theorem of Algebra, how many roots exist for the polynomial function? f(x) = 8x7 – x5 + x3+6
valentina_108 [34]
According to the Fundamental Theorem of Algebra, the number of roots of a polynomial is equal to the degree of the polynomial. The degree of the polynomial is the highest exponent of a term in the polynomial.
Looking at the function, the term with the highest exponent is 8x7. The exponent is 7; therefore, the function has 7 roots.
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3 years ago
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2 years ago
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2 years ago
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A TV report conducted a survey of 947 people in New York City and found that 35% of the population believe that the Yankees will
garik1379 [7]

Answer:

35\% represents the sample proportion of the population

Step-by-step explanation:

From the question we are told that

   The sample size is  n  = 947

   The proportion of the population that believes that the Yankees will miss the playoffs this year is    k = 35\% = 0.35

From the question we are told the confidence level is  97%

   The lower limit of the confidence level is a = 28%

    The upper limit of the  b = 42%

Generally the sample proportion of this population is mathematically represented as

         \^ p = \frac{a+ b}{2}

=>      \^ p = \frac{28 + 42 }{2}

=>      \^ p = 35\%

Hence  35\% represents the sample proportion

8 0
3 years ago
Which of the four triangles below are similar?
KiRa [710]
The answer is B

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