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Elanso [62]
3 years ago
8

Can anyone please help with this.

Mathematics
1 answer:
Eddi Din [679]3 years ago
7 0
The first question answer is 21*10^7
The second question answer is 5*10^2
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Now look at the 5-year performance of Amazon. What do you think explains the general upward trend of the stock price?
Elenna [48]

Answer:

expansion

Step-by-step explanation:

I believe that the biggest reason for the general upward trend in the stock price is expansion. Amazon has expanded their company immensely over the last 5 years. They have also expanded into different markets such as drones, gaming, cloud streaming, video streaming, etc. All of these expansions and acquisitions have been incredibly profitable for Amazon and therefore reflect on the stock price. This also gives investors faith that the future of the company will continue growing which causes them to buy more stocks and therefore increase the price.

8 0
3 years ago
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(-2, -1), m = 3<br> I need to write it in standard form
myrzilka [38]

Answer:

\frac{y + 1}{x + 2}  = 3 \\ y + 1 = 3x + 6 \\  \color{red}y = 3x + 5

4 0
2 years ago
Suppose a production facility purchases a particular component part in large lots from a supplier. The production manager wants
musickatia [10]

Answer:

We need a sample size of at least 1161.

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 for the interval is:

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

For this problem, we have that:

\pi = 0.22

90% confidence level

So \alpha = 0.1, z is the value of Z that has a pvalue of 1 - \frac{0.1}{2} = 0.95, so Z = 1.645.

How large a sample should she take?

We need a sample size of at least n.

n is found when M = 0.02

So

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

0.02 = 1.645\sqrt{\frac{0.22*0.78}{n}}

0.02\sqrt{n} = 1.645\sqrt{0.22*0.78}

\sqrt{n} = \frac{1.645\sqrt{0.22*0.78}}{0.02}

(\sqrt{n})^{2} = (\frac{1.645\sqrt{0.22*0.78}}{0.02})^{2}

n = 1160.88

Rounding up

We need a sample size of at least 1161.

7 0
3 years ago
If AB = 2x, complete the statements below. 2 + (AD)2 = (2x)2 (AD)2 = x2 – x2 (AD)2 = x2 AD =
storchak [24]

Answer:

X

4

3

X

Step-by-step explanation:

7 0
3 years ago
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Simplify the expression (0.4)^3
prisoha [69]
The correct answer to this question is 0.064.

Here's how to simplify the expression (0.4)^3.
We have to multiply 0.4 three times.

(0.4)^3 = <span>0.4 * 0.4 * 0.4
(0.4)^3 = 0.16 * 0.4
(0.4)^3 = 0.064

The simplified answer is 0.064</span>
6 0
3 years ago
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