I need to solve this equation !!!

Answers

Answer 1

Answer: $2 x^(2) + 5x$

x ( 2x + 5)

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If x = –1 and y = 2, what is the value of the expression 2x3 – 3xy ?

Answers

$x=-1, \ y=2 \n \n2x^3-3xy=2 * (-1)^3-3 * (-1) * 2=2 * (-1) +6=-2+6=4$

A guitar factory has a cost of production C(x) = 100x + 56000 , where is the number of guitars produced . If the company needs to break even after 150 units sold, at what price should they sell each guitar ? Use the variable p to represent the price Round up to the nearest dollar .

Answers

Answer:

Step-by-step explanation:

If the company wants to just break even, that means that the cost to produce 150 guitars is equal to the price they charge to make a 0 profit. The cost of 150 guitars is

C(150) = 100(150) + 56000 and

C(150) = 71000. That's how much it costs to produce 150 guitars. If they want to make nothing at all, they have to sell the 150 guitars for

p(x) = 71000/150 so

p(x) = 473.33 or 474

Answer:

473.33 units

Step-by-step explanation:

The breakeven point is the level of production at which the costs of production equal the revenues for a product. So, considering P the price of a guitar unit, we have that:

C(150) = 150.P

P = C(150)/150

P = (100.150 + 56000) / 150

P = (15000 + 56000) / 150

P = 71000/150

P ~ 473.33 units of currency per guitar

82. complete the check register for rob anderson. it has a previous balance of $175.40. He wrote check number 312 for $24.39 on November 22 to the barkber shop. The bank made an automatic transfer (AT) of $65.21 on November 25 to pay is cable bill. He made a deposit of $381.22 on November 27. What is the new balance in rob's account?

Answers

Answer:

$466.62

Step-by-step explanation:

Balance = $175 - $24.39 - $65.21 + $381.22

Use your calculator to add or subtract each new term as indicated:

$175 - $24.39 = $150.61

Next, subtract $65.21: $150.61 - $65.21 = $85.40

Finally, add $381.22: $85.40 + $381.22 = $466.62

on November 27 the new balance in rob's account became $466.62.

If 1 gallon equals 3.8 liters, how many liters are in 12 gallons? Round your answer to the nearest tenth.