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julia-pushkina [17]

3 years ago

12

Lucy bought a couch that cost $1,000.00. she bought it using her debit card. She forgot she only has $900 in her checking accoun

t. What should lucy be worried about? 1) how much tax is included 2) discounts 3) nothing 4) overdraft fees

1 answer:

expeople1 [14]3 years ago

8 0

Answer:

4) overdraft fees

Step-by-step explanation:

if she now has a negative balance then she owes money to the couch store

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A firm has the marginal-demand function where D(x)=-1400x÷√25-x² is the number of units sold at x dollars per unit. Find the dem

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The equation of the demand function is D(x) = 1400√(25-x²) + 11400

<h3>How to determine the demand function?</h3>

From the question, we have the following parameters that can be used in our computation:

Marginal demand function, D'(x) = -1400x÷√25-x²

Also, we have

D = 17000, when the value of x = 3

To start with, we need to integrate the marginal demand function, D'(x)

So, we have the following representation

D(x) = 1400√(25-x²) + C

Recall that

D = 17000 at x = 3

So, we have

17000 = 1400√(25-3²) + C

Evaluate

17000 = 5600 + C

Solve for C

C = 17000 - 5600

So, we have

C = 11400

Substitute C = 11400 in D(x) = 1400√(25-x²) + C

D(x) = 1400√(25-x²) + 11400

Hence, the function is D(x) = 1400√(25-x²) + 11400

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1 year ago

A car travels 320 miles on 15 gasoline. The best estimate if the cars mile per gallon is

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

I think the equation is 4m² – 3 $m^{6}- 5m^{4}$

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Hope this helps!

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3 years ago