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Citrus2011 [14]
4 years ago
11

Which mountain range separates Georgia from Russia?​

Mathematics
1 answer:
agasfer [191]4 years ago
6 0

Answer:

Step-by-step explanation:

The Caucasus Mountains

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In testing the difference between two population means using two independent samples, the sampling distribution of the sample me
Neko [114]

Answer:

C. populations are non normal and the sample sizes are large.

Step-by-step explanation:

To test hypotheses about the difference between two populations means we deal with the following three cases.

1) both the populations are normal with known standard deviations.

2)both the populations are normal with unknown standard deviations.

3) both the populations are non normal in which case both the  sample sizes are necessarily large.

So option C is the correct answer.

4 0
3 years ago
Help please I'm horrible at math. Please help!!
Nataly_w [17]
Answer = 1/5 and 4
solved by middle term breaking
4 0
3 years ago
Express as a trinomial. (3x+3)(2x−4)
Artyom0805 [142]

Use the FOIL method: First, Outside, Inside, Last

3x(2x) = 6x²

3x(-4) = -12x

3(2x) = 6x

3(-4) = -12

6x² -12x + 6x-12

Combine like terms

-12x + 6x = -6x

6x² - 6x - 12 is your answer

hope this helps

5 0
4 years ago
Which one is the right answer?
Artemon [7]

Answer:

the answer is C

Step-by-step explanation:

magazine = $4.99

book = $12.99

DVD = $17.99

total bill

= magazine + book + DVD

= $4.99 + $12.99 + 17.99

= $35.97

tax 6%

amount of tax

= 6% × total price

= 6/100 × $35.97

= $2.16

total bill including 6% tax

= total bill + amount of tax

= $35.97 + $2.16

= $38.13

5 0
3 years ago
Suppose c(x) = x3 - 24x2 + 30,000x is the cost of manufacturing x items. Find a production level that will minimize the average
algol [13]

Answer:

hence the required minimum production level is 12units

Step-by-step explanation:

Given the cost function expressed as c(x) = x^3 - 24x^2 + 30,000x

The average cost function will be c(x)/x

Dividing the cost function through by x

Average cost function = c(x)/x = x³/x - 24x²/x + 30,000x/x

Average cost function = x²-24x + 30,000

A(x) = x²-24x + 30,000

If the average cost is minimized, hence dA/dx = 0

dA/dx = 2x - 24

0 = 2x - 24

-2x = -24

Divide both sides by -2

-2x/-2 = -24/-2

x = 12

For the second deriviative

d²A/dx² = 2 which is greater than zero

Hence a production level that will minimize the average cost per item of making x items is 12

4 0
3 years ago
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