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Dmitriy789 [7]
3 years ago
10

The average cost when producing x items is found by dividing the cost function, C(x), by the number of items, x. When is the ave

rage cost less than 100, given the cost function is C(x) = 10x + 180?
Mathematics
1 answer:
kakasveta [241]3 years ago
8 0

Answer:

<em>The average cost is less than 100 when the number of items x is greater than 2</em>

Step-by-step explanation:

The cost equation is C(x) = 10x + 180

The average cost Cp = \frac{C(x)}{x}

We want to know when the cost Cp is less than 100.

So

Cp

Cp = \frac{C(x)}{x}

10 + \frac{180}{x}

For x> 0

\frac{180}{90}

x> 2

The average cost is less than 100 when x>2

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If you want the larger angle, simply plug in y to x = 4y
So: x = 4(36) = 144

The smaller angle is 36 degrees, and the larger angle is 144 degrees.
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3 years ago
2/3 (3x+9)=-2 (2x+6)​
rosijanka [135]

Answer: x=−3

Step-by-step explanation: Let's solve your equation step-by-step.

2

3

(3x+9)=−2(2x+6)

Step 1: Simplify both sides of the equation.

2

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(3x+9)=−2(2x+6)

(

2

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2

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2x+6=−4x+−12

2x+6=−4x−12

Step 2: Add 4x to both sides.

2x+6+4x=−4x−12+4x

6x+6=−12

Step 3: Subtract 6 from both sides.

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Answer:

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The concentration of hydrogen ions in moles per liter (M) is 3.981 * 10^{-9}

8 0
3 years ago
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