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Travka [436]
3 years ago
13

The sides of a triangle measure 2x + 5, X – 4, and

Mathematics
2 answers:
slavikrds [6]3 years ago
8 0

Answer:

9x+4

Step-by-step explanation:

perimeter= sum of all sides

perimeter= (2x+5)+ (x-4)+ 3(2x+1)

= 2x+5+x-4+ 6x+3

= 2x+x+6x+5+3-4

= 9x+8-4

=9x+4

sp2606 [1]3 years ago
5 0

Answer x = 24 + 3x

Step-by-step explanation:

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A used-car dealer sold one car at a profit of 25 percent of the dealer's purchase price for that car and sold another car at a l
Daniel [21]

Answer:

C. 1000 loss.

Step-by-step explanation:

Let x represent purchase price of each car.

We have been given that a used-car dealer sold one car at a profit of 25 percent of the dealer's purchase price for that car and sold another car at a loss of 20 percent of the dealer's purchase price for that car.

We can represent the car that dealer sold with 25% profit to find purchase price as:

x+0.25x=20,000

1.25x=20,000

\frac{1.25x}{1.25}=\frac{20,000}{1.25}

x=16,000

Therefore, the purchase price of 1st car was $16,000.

We can represent the car that dealer sold with 20% loss to find purchase price as:

x-0.20x=20,000

0.80x=20,000

\frac{0.80x}{0.80}=\frac{20,000}{0.80}

x=25,000

Therefore, the purchase price of 2nd car was $25,000.

The total purchase price of both cars would be 16,000+25,000=41,000

The total sale price of both cars 20,000+20,000=40,000.

We can see that the sale price of both car is less than purchase price by $1000, so the dealer got a loss of $1000.

Therefore, the dealer's total loss, in dollars, for the two transactions combined was 1000 and option C is the correct choice.

4 0
3 years ago
What is 12 3/20 in simplest form?
Levart [38]

Answer:

12 3/20 is the simplest form

4 0
3 years ago
What is the value of y?
AlexFokin [52]

Answer:

60°

Step-by-step explanation:

All the sides are of equal length, 12,12,12 , 60,60, ?, so it is 60

4 0
3 years ago
Read 2 more answers
Zoey wants to use her iPad throughout a 6-hour flight. Upon takeoff, she uses the iPad for 2 hours and notices that the battery
lilavasa [31]

Answer:

The answer is c. 8 hours

Step-by-step explanation:

Since her battery dropped 25% in 2 hours then for it to drop 100% would take 8 hours.

25%+25%+25%+25%= 100%

so with this logic

25%= 2 hours

2+2+2+2=8

Hoped this helped !

Cheers, Z

7 0
3 years ago
Read 2 more answers
Help me please <br><img src="https://tex.z-dn.net/?f=c-%2020%20%3D%204%20-%203c" id="TexFormula1" title="c- 20 = 4 - 3c" alt="c-
yKpoI14uk [10]

Answer:

c=6

Step-by-step explanation:

c-20-4-3c

c-20+20= 4+20-3c

c=24-3c

c+3c=24-3c + 3c

4c = 24

4c 4 24 4 =

c = 6

3 0
2 years ago
Read 2 more answers
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