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2 years ago

14 m ≈≈ how many ft and show the work

Mathematics

1 answer:

alexandr402 [8]2 years ago

4 0

1 Meter = 3.28084 ft

3.28084 ft x 14 = 45.9318 ft

The answer is 45.9318 ft is in 14 Meters.
Hope this helps! :D

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

At x = 50 units,

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

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

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

2 years ago

Solve this equation 3x - 5 = -26

Dmitry_Shevchenko [17]

3x - 5 = -26

step 1:

subtract +5 on each side because you have to do the inverse operation

step 2:

3x= -21

step 3:

now divide 3 on each side

the answer is -7

Hope this helped!

TheOneAndOnlyLara~

5 0

1 year ago

Read 2 more answers

PLEASE HELP INEQUALITYS!!

kolezko [41]

Same i am sorry need point

5 0

2 years ago

Please help, thanks thanks

Marysya12 [62]

Answer:

i think its 2 but im not sure

Step-by-step explanation:

sorry if im wrong

7 0

2 years ago

Read 2 more answers

A market sells 6 cans of food for every 7 boxes of food. The market sold a total of 26 cans and boxes today. How many of each ki

Sindrei [870]

Answer:

12 cans and 14 boxes.

Step-by-step explanation:

A/Q

6 cans are sold with 7 boxes, i.e; total of 6+7 = 13

as the market sold 26 cans and boxes, we can calculate each by dividing from the usual total.

26/13 = 2

they sold double their usual total.

so, if they normally sold 6 cans they sold its double, 6×2 = 12

the double of normal boxes would be 7×2 = 14

4 0

2 years ago