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3 years ago

Which part of this graph shows a nonlinear relationship?

Mathematics

1 answer:

8_murik_8 [283]3 years ago

7 0

Answer:

D. 4 is the non linear area of the graph.

Step-by-step explanation:

Non linear is when there is not a exact increase or decrease, also known as a equal change over time.

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A research firm needs to estimate within 3% the proportion of junior executives leaving large manufacturing companies within thr

Y_Kistochka [10]

Answer:

972 junior executives should be surveyed.

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

z is the zscore that has a pvalue of $1 - \frac{\alpha}{2}$ .

The margin of error is of:

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

35% of junior executives left their company within three years.

This means that $\pi = 0.35$

0.95 = 95% confidence level

So $\alpha = 0.05$ , z is the value of Z that has a pvalue of $1 - \frac{0.05}{2} = 0.975$ , so $Z = 1.96$ .

To update this study, how many junior executives should be surveyed?

Within 3% of the proportion, which means that this is n for which M = 0.03. So

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

$0.03 = 1.96\sqrt{\frac{0.35*0.65}{n}}$

$0.03\sqrt{n} = 1.96\sqrt{0.35*0.65}$

$\sqrt{n} = \frac{1.96\sqrt{0.35*0.65}}{0.03}$

$(\sqrt{n})^2 = (\frac{1.96\sqrt{0.35*0.65}}{0.03})^2$

$n = 971.2$

Rounding up:

972 junior executives should be surveyed.

5 0

3 years ago

Round 11,900 to the nearest thousand.

Natasha2012 [34]

12,000, because 11,900>11,500, so you round it up to 12,000

8 0

3 years ago

Read 2 more answers

Which expressions correctly show "the sum of the product of 3 and 8 and the product of 12 and 2"? Select two that are correct. *

Degger [83]

Answer:

The two correct expressions are:

(12 × 2) + (3 × 8)

(3 × 8) + (12 × 2)

Step-by-step explanation:

Let 'a' and 'b' be the two numbers.

When we say the product of 'a' and 'b', it

algebraically means: a × b

Let 'c' and 'd' be the two numbers.

When we say the product of 'c' and 'd', it

algebraically means: c × d

And when we say the sum of the product of 'a' and 'b' and the product of 'c' and 'd', it algebraically means:

(a × b) + (c × d)

(c × d) + (a × b)

(a × b) + (c × d) = (c × d) + (a × b)

So when we say "the sum of the product of 3 and 8 and the product of 12 and 2".

It algebraically means:

(12 × 2) + (3 × 8)

(3 × 8) + (12 × 2)

(12 × 2) + (3 × 8) = 24 + 24 ∵ 12 × 2 = 24, 3 × 8 = 24

= 48

(3 × 8) + (12 × 2) = 24 + 24 ∵ 3 × 8 = 24, 12 × 2 = 24,

= 48

Therefore, the two correct expressions are:

(12 × 2) + (3 × 8)

(3 × 8) + (12 × 2)

5 0

3 years ago

Find the area of the following figure. Explain how you got your answer.

natali 33 [55]

Answer:

26.5

Step-by-step explanation:

cut the shape into 3 shapes

area of a retangle is = L*W= 5*4 = 20

Area of a triangle = a= h*b/2 = 3*3/2 = 4.5

Area of a triangle = a= h*b/2 = 2*2/2 =2

7 0

3 years ago

Plsss help thank uuu I love uuuu

Ray Of Light [21]

Answer:

a i think

Step-by-step explanation:

8 0

4 years ago

Read 2 more answers