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2 years ago

Help me with these problems (show work) thanks ❤️❤️

Mathematics

1 answer:

yanalaym [24]2 years ago

6 0

Answer:

#1. 12x9x5+= 426

#2. 6x14.8= 784.14

#3. 6x6x8x8= 143.11

Step-by-step explanation:

Hoped that helped!

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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,

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

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3 years ago

To estimate how many miles you are from a thunderstorm, count the seconds between when you see lightening and when you hear thun

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Answer:

Step-by-step explanation:

If you count ten seconds before the next thunder/lightning, then divide by 5, you'll get 2.

2=2 miles

7 0

3 years ago

an angle bisector of a triangle divides the opposite side of the triangles into segments 6cm and 4cm long. A second side of tria

Dovator [93]

From the angle bisector theorem
we can first assume the third side is x, therefore
7.4/6 = x/4
x = 7.4 × 4/6
x = 4.93 cm
We can also use,
7.4/4 = x/6
x = 7.4 ×6/4
x = 11.1 cm
Therefore, the shortest length of the third side is 4.93 cm while the longest length is 11. 1 cm

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3 years ago

Timmy is in the mall with his mom, and is throwing a fit because he wants her to buy him a new

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Answer:

he has received negative positive punishment...? I"M SORRY IF IT"S WRONG!!!

Step-by-step explanation:

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3 years ago

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Pedro has 9 coins. His friend John gives him 9 more coins. Pedro decides to share his coins evenly with his two brothers. Which

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Answer:

6 if pedro and his two brother will have coins. If he doesnt get any for himself and gives it all to his brothers then they each get 9.

Step-by-step explanation:

I used my calculator.

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3 years ago