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2 years ago

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A DVD player was marked down by 30 percent from its original price of $75. Including a 7 percent sales tax, what is the final co

st of the DVD player?
$22.50
$24.08
$52.50
$56.18

1 answer:

jok3333 [9.3K]2 years ago

6 0

Answer:

Step-by-step explanation:

D is your answer

$56.18

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Answer:

Washing cars= 4 hours

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Step-by-step explanation:

You want to start by creating equations. So one thing we know is that he makes $9 an hour washing cars(x) and $8 walking dogs(y).

$9x+$8y=$116

The second Equation is based off of the hours worked. We know that he worked 6 hours more walking the dogs than he did washing cars, so we can take x(being the washing hours) and add 6 to it to equal y (the number of dog hours).

y=x+6

Now You plug what y equals into the first equation to solve for x.

9x+8(x+6)=116 Next distribute the 8 to each term.

9x+8(x)+8(6)=116

9x+8x+48=116 Add the like terms together (9x+8x)

17x+48=116 Subtract the 48 from both sides

-48 -48

17x=68 Now divide by 17 on both sides.

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17 17

x=4 Finally we can take x and plug it back in to one of the equations in order to solve for y. I'm going to choose the second equation.

y=(4)+6

y=10

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during the summer winnie delivers flowers and bob babysits for neighbors to show their earnings winnie makes a table which state

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Attached

Step-by-step explanation:

From the question x is the number of stools and y is the number of recliners

Given that the coffee shop can hold no more than 50, then the inequality for number of seats will be;

x+y≤ 50

Also, the owner wants at least 20 of the seats to be stools, this can be written as;

x≥20

Using a graph tool to visualize the inequalities, you get the attached graph;

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Inequalities graph : brainly.com/question/11234618

Keyword : graph, inequalities

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What is the recursive formula for this geometric sequence?<br> -2, -16, -128, -1024,

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<h3>Answer: Choice A</h3>

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