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laila [671]
3 years ago
10

Earth can be divided into four main systems or spheres. Which system contains Earth’s weather and forms the different climates a

round the world?
A. Earth's inner layers of rock and metal
B. Earth's outermost later of gases
C. the parts of Earth that contain all living organisms
D. the parts of Earth that include all of Earth's water
Mathematics
1 answer:
swat323 years ago
7 0
I think the answer is D but I might be wrong
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PLEASE HELP ME I BEG YOU !!!
boyakko [2]
Hi,

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4 0
4 years ago
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Please help me......​
Scilla [17]

Answer:

-1/4

Step-by-step explanation:

I'm not sure what exactly you needed. But this is the slope of the line. Hope this helps! Have a great day! :)

3 0
3 years ago
Can you help me in this question?
Xelga [282]

Answer:

100+150DHS

Step-by-step explanation:

100 base and 150 is the rate per a day

3 0
3 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
4 years ago
Find the volume of a cube when it's side measures 2 cm.
Taya2010 [7]

Answer:

formula is width x height x length = volume

2x2x2=8

2 x 2 x 2 = 2 cubed so if you know a cube's side you just multiply it by itself twice

8 is the answer

Step-by-step explanation:

7 0
4 years ago
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