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Natalija [7]
3 years ago
7

If a polynomial function f(x) has roots 0, 4, and 3 + StartRoot 11 EndRoot, what must also be a root of f(x)? 3 + i StartRoot 11

EndRoot Negative 3 + i StartRoot 11 EndRoot 3 minus StartRoot 11 EndRoot Negative 3 minus StartRoot 11 EndRoot
Mathematics
2 answers:
mojhsa [17]3 years ago
7 0

Answer:

C. 3- root of 11

Step-by-step explanation:

edge 2020

serg [7]3 years ago
4 0

Answer:

3 − √11

Step-by-step explanation:

For polynomials with rational coefficients, any radical roots must come in conjugate pairs.  To find the conjugate, simply reverse the sign of the radical.

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Ian's monthly allowance is $21. In January he starts saving for a birthday gift in June. Each month he saves of his allowance. T
Dmitrij [34]

Answer:

<h2>Ian will have enough money to buy the gift</h2>

Step-by-step explanation:

Step one:

given

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from January to June= 6 months

total savings = 21*6= $126

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Step two:

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4 0
3 years ago
Write the following expression using symbolic language.
Ad libitum [116K]

Answer:

<h3>              1)   7x - 5 </h3><h3>              2)   9y - 18 </h3><h3>              3)   0.5n + 4n </h3><h3>              4)  2(w³+23)</h3><h3> Step-by-step explanation:</h3>

1)

The product of seven and a number x:   7·x = 7x

<u>Five less than the product of seven and a number x:</u>

<h3>7x - 5 </h3>

2)

nine times a number y:  9·y = 9y

<u>The difference of nine times a number y and eighteen:</u>

<h3>9y - 18 </h3>

3)

half a number n:   0.5n

four times the number:   4·n = 4n

<u>Half a number n increased by four times the number:</u>

<h3>0.5n + 4n </h3>

4)

a number w cubed:  w³

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<u>Twice the sum of a number w cubed and twenty-three:</u>

<h3>2(w³+23)</h3>

5 0
3 years ago
What is an equivalent fraction for 3:11
Dmitry [639]

Answer:

\frac{3}{11}

Step-by-step explanation:

When you have something like that, just think that the first number goes on top and the second number goes on bottom.

8 0
3 years ago
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