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yulyashka [42]
4 years ago
13

an electronics store paid $51.94 for a dvd player. To make a profit the store charges the customer 154% of their cost. what does

the sore charge customer for the dvd player
Mathematics
2 answers:
Mama L [17]4 years ago
7 0

To find the price you multiply 51.94 by the percent.

51.94 x 154% = 79.99

Then add the answer of that to the original price.

51.94 + 79.99 = 131.93.

The store charged $131.93 for the DVD player.

scZoUnD [109]4 years ago
5 0

To make a profit. The store needs to make a profit. Buy something from Walmart cheap, sell it for 60% percent more to make a 'good' profit.

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Which of the following is(are) the solution(s) to |5x+2|=8 ?
slega [8]

Answer:

x = 6/5 or x = -2

Step-by-step explanation:

We need to solve:

|5x+2|=8

We know that |u|=a the u = a and u = -a

Now solving:

|5x+2|=8

5x +2 = 8 or 5x +2 = -8

5x = 8-2 or 5x = -8-2

5x = 6 or 5x = -10

x = 6/5 or x = -10/5

x = 6/5 or x = -2

So, x = 6/5 or x = -2

7 0
3 years ago
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Triangle ABC has vertices A(0,6) B(4,6) C(1,3). Sketch a graph of ABC and use it to find the orthocenter of ABC. Then list the s
Allisa [31]

For line B to AC:  y - 6 = (1/3)(x - 4);  y - 6 = (x/3) - (4/3); 3y - 18 = x - 4, so 3y - x = 14

For line A to BC:  y - 6 = (-1)(x - 0);  y - 6 = -x, so y + x = 6

Since these lines intersect at one point (the orthocenter), we can use simultaneous equations to solve for x and/or y:

(3y - x = 14) + (y + x = 6) =>  4y = 20, y = +5;  Substitute this into y + x = 6:  5 + x = 6, x = +1

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3 years ago
The number of students in a book club is increasing 15% per year. If there were 21 students in the club in 2010, then how many w
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Step-by-step explanation:

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3 years ago
Andrew has a cell phone plan that provides 300 free minutes each month for
Mekhanik [1.2K]

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Andrew has a cell phone plan that provides 300 free minutes each month for a flat rate of $19. For any minutes over 300, Andrew is charged $0.39 per minute. Let x be the number of minutes Andrew uses per month and f(x) be the charges based on Andrew's cell phone plan. If  then If  then first 300 minutes are free and each minute of next (x-300) minutes costs $0.39, therefore Hence, { 19 + 0.39(x - 300), x > 300

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If m angle B=m angle D=41, find m angle C so that quadrilateral ABCD is a parallelogram
Charra [1.4K]

ANSWER

139°

EXPLANATION

One of the interior angle properties of a parallelogram is that adjacent interior angles are supplementary.

This means that, the adjacent interior angles add up to 180°.

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m \angle \: B = m \angle \: D = 41

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m \angle \: C +  m \angle \: D = 180 \degree

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m \angle \: B +  m \angle \:C= 180 \degree

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\implies m\angle \:C= 180 \degree - 41 \degree  = 139 \degree

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