3 years ago

Which of the following is true of the data set represented by the box plot? (2 points)

Mathematics

1 answer:

maksim [4K]3 years ago

3 0

Answer:

Step-by-step explanation:

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Graph the equation y=−x²−8x−15 on the accompanying set of axes. You must plot 5 points including the roots and the vertex.

s2008m [1.1K]

Answer:

Plot these points

(-3,0)

(-5,0)

(-4,1)

(-2,-3)

(-6,-3)

Step-by-step explanation:

Let find the zeros of the equation.

We can factor this equation.

Factor out the -1.

$- 1( {x}^{2} + 8x + 15)$

Factor using AC method

$- 1(x + 3)(x + 5)$

Set all the terms equal to zero.

$x + 3 = 0$

$x + 5 = 0$

$x = - 3$

$x = - 5$

So our x intercepts are -3,0 and -5,0.

To find our vertex, apply the -b/2a.

$\frac{8}{ - 2} = - 4$

Then

Substitute-4 for x.

$y = - {4}^{2} - 8( - 4) - 15 = 1$

So our vertex is at (-4,1).

Find some other points like -2 and -6.

To find -2, substitute-2 into the quadratic.

$y = - ( { - 2}^{2}) - 8( - 2) - 15 = - 3$

So -2,-3.

Since y=-4 is the axis of symmetry

-6,-3

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3 years ago

A bag contains 4 red balls numbered 2, 4, 5, 8 and 6 white balls numbered 1, 3, 6, 7, 9, 10. if a ball is drawn at random, what

SIZIF [17.4K]

8 percent
4 percent i think

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3 years ago

Suppose that an investment of $13,000 grows in value at a rate of 9% per year. What is the growth factor for this investment?

Evgesh-ka [11]

Growth rate is 9%,
so your growth factor will be (100+9)% = 109% = 109/100 = 1.09

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stellarik [79]

(a) need to find the number of books, we'll call it "b". then the money (6w) minus the cost of books (17b) equals change left over (w)
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6w - w = 17b
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(5/17)w = b

(b) if w = 34
(5/17) *34 = b
10 = b

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Depends on if you think it is bbg

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