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2 years ago

14

Select the correct answer. Which economic term is considered a resource? A. land B. price of goods C. demand D. gross domestic p

roduct

1 answer:

Igoryamba2 years ago

5 0

Answer:

A.Land

comprises all naturally occurring resources

Step-by-step explanation:

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Find the GCF for the pair 4, 49.

IgorC [24]

I believe the GCF for the park 4 and 49 is 1.

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2 years ago

-2x+6=30-6x. -6,6,-8,8

Illusion [34]

-2x + 6 = 30 - 6x
--> -2x + 6x = 30 - 6
<span>--> 4x = 24
</span><span>--> x = 24/4
</span><span>--> x = 6</span>

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2 years ago

Determine the number of triangles that can be formed given the following information: a = 8, b = 10, m

Fiesta28 [93]

Answer:

5

Step-by-step explanation:

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2 years ago

Darien is discounting all prices on the sales for 20%. Which expression below represents the price, p, of any item he marks down

Dominik [7]

Answer: C. 0.8p

Step-by-step explanation:

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1 year ago

Find the size of each of two samples (assume that they are of equal size) needed to estimate the difference between the proporti

hodyreva [135]

Answer:

The sample size n = 4225

Step-by-step explanation:

We will use maximum error formula = $\frac{z_{a} S.D}{\sqrt{n} }$

but we will find sample size "n"

$\sqrt{n} = \frac{z_{a} S.D}{maximum error}$

Squaring on both sides , we get

$n = (\frac{z_{a} S.D}{maximum error})^2$

Given 99% confidence interval (z value) = 2.56

given maximum error = 0.02

$n = (\frac{z_{a} p(1-p)}{maximum error})^2$

n≤ $(\frac{2.56X\frac{1}{2} }{0.02}) ^{2}$ ( here S.D = p(1-p) ≤ 1/2

on simplification , we get n = 4225

<u>Conclusion</u>:

The sample size of two samples is n = 4225

<u>verification</u>:-

We will use maximum error formula = $\frac{z_{a} S.D}{\sqrt{n} }$ = $\frac{2.56 1/2}{\ \sqrt{4225} }$ = 0.0196

substitute all values and simplify we get maximum error is 0.02

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2 years ago