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4 years ago

Please help! 19 points

Mathematics

1 answer:

kondor19780726 [428]4 years ago

4 0

Answer:

The answer is 5.

Step-by-step explanation:

After 5 days both actors will charge $625.

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What are the zeros of the quadratic function f(x) = 6x ^ 2 - 24x + 1 ?

ZanzabumX [31]

Answer:

x = $\frac{12+\sqrt{138} }{6}$ and x = $\frac{12-\sqrt{138} }{6}$

Step-by-step explanation:

Let's use the quadratic formula, which states that for a quadratic of the form ax² + bc + c, the zeroes are: $x=\frac{-b+\sqrt{b^2-4ac} }{2a}$ or $x=\frac{-b-\sqrt{b^2-4ac} }{2a}$ .

Here, a = 6, b = -24, and c = 1. Plug these in:

$x=\frac{-b+\sqrt{b^2-4ac} }{2a}$

$x=\frac{-(-24)+\sqrt{(-24)^2-4*6*1} }{2*6}=\frac{24+\sqrt{552} }{12}=\frac{24+2\sqrt{138} }{12} =\frac{12+\sqrt{138} }{6}$

AND

$x=\frac{-b-\sqrt{b^2-4ac} }{2a}$

$x=\frac{-(-24)-\sqrt{(-24)^2-4*6*1} }{2*6}=\frac{24-\sqrt{552} }{12}=\frac{24-2\sqrt{138} }{12} =\frac{12-\sqrt{138} }{6}$

Thus, the zeroes are: x = $\frac{12+\sqrt{138} }{6}$ and x = $\frac{12-\sqrt{138} }{6}$ .

3 0

3 years ago

Read 2 more answers

Horizontal asymptotes?

kvv77 [185]

<h3>Answer: Choice A) y = 2</h3>

How I got that answer:

The degrees of both the numerator and denominator polynomial are both 2

Degree of 10x^2 is 2

Degree of 5x^2+1 is 2

Because the degrees are equal, this means we divide the leading coefficients 10 and 5 to get 10/5 = 2.

As x gets really really large, in either positive or negative direction, then y is slowly going to approach y = 2.

A graph helps confirm this. See below. I used GeoGebra to make the graph.

It looks like it actually gets to y = 2, but in reality its just getting really really close that it gives that illusion.

6 0

4 years ago

Read 2 more answers

Determine by inspection whether the vectors are linearly independent. Justify your answer.

jekas [21]

Answer:

B. The set is linearly independent because at least one of the vectors is a multiple of another vector.

Step-by-step explanation:

A set of n vector of length n is linearly independent if the matrix with these vectors as column has none of zero determinant. The set of vectors is dependent if the determinant is zero. In the given question the vectors have no zero determinants therefore it is linearly independent.

7 0

4 years ago

Factor out the greatest common factor. <br><br> x^3-3x^2-x

Andrews [41]

Answer:

Factor out the greatest common factor.

x^3-3x^2-x

→ x(x^2-3x-1)

6 0

3 years ago

The table shows the altitude, in feet, of an airplane at certain times during its flight from Baltimore to Orlando since its dep

Margarita [4]

Answer:

around 8,000

Step-by-step explanation:

its because we can see that it roughly increases and decreases by 2000, its my guess, tell me how u get on

6 0

2 years ago