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Kazeer [188]
3 years ago
11

15 points. Which numbers are irrational? Thank you!

Mathematics
2 answers:
Bingel [31]3 years ago
4 0

Answer: Hence, \sqrt{\frac{1}{10}},\sqrt{\frac{1}{8}},\sqrt{\frac{1}{2}} are irrational numbers.

Step-by-step explanation:

Since we have given that

4 and 16 are perfect squares.

so, \sqrt{\frac{1}{4}}=\frac{1}{2}\\\\and\\\\\sqrt{\frac{1}{16}}=\frac{1}{4}

And we know that irrational numbers are those numbers which are not in the form of \frac{p}{q}

Hence, \sqrt{\frac{1}{10}},\sqrt{\frac{1}{8}},\sqrt{\frac{1}{2}} are irrational numbers.

Tomtit [17]3 years ago
3 0
It would be 1/8 and 1/2 but somehow if not 1/2 then 1/10 I can assure you that I hope this helps
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Your profit increased by about 1061%
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A line has a rise of 3 and a run of 12. What is the slope?<br><br> 1/3<br> 1/4<br> 4
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4 0
3 years ago
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The total cost (in hundreds of dollars) to produce x units of a product is c(x) = (3x-2) / (8x+1), find the average cost for eac
olya-2409 [2.1K]

Answer:

a) \frac{74}{10025}

b) \frac{3x-2}{x(8x+1)}

c) \frac{-24x^2+32x-2}{(8x^2+x)^2}

Step-by-step explanation:

For total cost function c(x), average cost is given by \frac{c(x)}{x} i.e., total cost divided by number of units produced.

Marginal average cost function refers to derivative of the average cost function i.e., \left ( \frac{c(x)}{x} \right )'

Given:c(x)=\frac{3x-2}{8x+1}

Average cost = \frac{c(x)}{x}=\frac{3x-2}{x(8x+1)}

a)

At x = 50 units,

\frac{c(50)}{50}=\frac{150-2}{50(400+1)}=\frac{148}{50(401)}=\frac{74}{10025}

b)

Average cost = \frac{c(x)}{x}=\frac{3x-2}{x(8x+1)}

c)

Marginal average cost:

Differentiate average cost with respect to x

Take f=3x-2\,,\,g=8x^2+x

using quotient rule, \left ( \frac{f}{g} \right )'=\frac{f'g-fg'}{g^2}

Therefore,

\left ( \frac{c(x)}{x} \right )'=\left ( \frac{3x-2}{8x^2+x} \right )'\\=\left ( \frac{3(8x^2+x)-(16x+1)(3x-2)}{(8x^2+x)^2} \right )\\=\frac{24x^2+3x-48x^2-3x+32x+2}{(8x^2+x)^2}\\=\frac{-24x^2+32x-2}{(8x^2+x)^2}

3 0
3 years ago
WILL GIVE BRAINLIEST TO CORRECT ANSWER(S)
elena55 [62]

Answer:

A: The correlation coefficient is a statistical measure of the strength of the relationship between the relative movements of two variables. The values range between -1.0 and 1.0. A calculated number greater than 1.0 or less than -1.0 means that there was an error in the correlation measurement.

B: he correlation coefficient is a statistical calculation that is used to examine the relationship between two sets of data. The value of the correlation coefficient tells us about the strength and the nature of the relationship. Correlation coefficient values can range between +1.00 to -1.00.

Step-by-step explanation:

Hopefully this helped!!!

7 0
3 years ago
Not sure if my answers correct, Please help quick math question asap! ty
Varvara68 [4.7K]

To find the inverse we swap y and x and solve for y:


x = 9y + 15


x - 15 = 9y


y = (x-15)/9


Last choice


8 0
3 years ago
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