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3 years ago

6

Find the slope and the y-intercept of the line y=-2/5x+5

1 answer:

nexus9112 [7]3 years ago

5 0

Answer:

slope is -2/5, y intercept is (0,5)

Step-by-step explanation:

The slope is the number in front of the x, or how steep the line is on the graph. In this case, it is -2/5.

The y intercept happens when x = 0, so if you make x = 0 in this equation, you find that you are left with y = 5. That gives you the point (0,5) as your y intercept.

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3). Let g(x) = x^4 - 6x^3 + 13x^2 - 24x + 36. Find all complex zeros and multiplicities, if 2i is a complexzero. Apply the conju

lutik1710 [3]

$g(x)=x^4-6x^3+13x^2-24x+36$

4 0

1 year ago

A police officer would like to estimate the proportion of petty theft cases that have gone unsolved in a large city. He takes a

nata0808 [166]

Answer:

$0.625 \pm 1.645*0.0571$

Step-by-step explanation:

In a sample with a number n of people surveyed with a probability of a success of $\pi$ , and a confidence level of $1-\alpha$ , we have the following confidence interval of proportions.

$\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}$

In which

$\pi$ is the estimate

z is the zscore that has a pvalue of $1 - \frac{\alpha}{2}$ , also called the critical value.

The standard error is:

$s = \sqrt{\frac{\pi(1-\pi)}{n}}$

90% confidence level critical value

So $\alpha = 0.1$ , z is the value of Z that has a pvalue of $1 - \frac{0.1}{2} = 0.955$ , so $z = 1.645$ .

Estimate:

72 petty theft cases and finds 45 of these have gone unsolved.

So $\pi = \frac{45}{72} = 0.625$

Standard error:

$s = \sqrt{\frac{\pi(1-\pi)}{n}} = \sqrt{\frac{0.625*0.375}{72}} = 0.0571$

Answer:

$0.625 \pm 1.645*0.0571$

7 0

3 years ago

What is x if <br><img src="https://tex.z-dn.net/?f=xxx%20%2B%203358%20%3D%20461267" id="TexFormula1" title="xxx + 3358 = 461267"

lara [203]

Answer:

457,909

Step-by-step explanation:

-3358 from 461,267 and it gaves you 457,909

so 457,909 + 3358 = 461,267

7 0

3 years ago

Read 2 more answers

(picture is sideways)

Vlada [557]

Answer:

U=80

B=44

Q=93

Step-by-step explanation:

U:180=U+37+63

180=U+100

180-100=U+100-100

80=U

B:180=B+90+46

180=B+136

180-136=B+136-136

44=B

Q:180=Q+36+51

180=Q+87

180-87=Q+87-87

93=Q

4 0

3 years ago

What is the distance between the coordinates (8,-5) and (8,13).

Darina [25.2K]

Answer:

18

Step-by-step explanation:

use the distance forumla to detwemine the distance between the points.

7 0

3 years ago