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horrorfan [7]
3 years ago
10

(2/3x+2) - (1/3x - 4)

Mathematics
1 answer:
DiKsa [7]3 years ago
6 0

Answer:

simplified: 6 + x/3

Step-by-step explanation:

(2/3x+2) - (1/3x - 4)

= 6 + x/3 .

Hope this helps !

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The selling price of an item is $ 650 it is marked down by 10% , but this sale price is still marked up from the cost of $ 450.
Tanzania [10]

Answer: 30% or $ 135.


Explanation


The mark up is generally expressed as a percentage. It is the percent increase on the cost.


We can calculate the mark up from cost to sale price of the item as a composition of steps. That is what the next steps show.


1) First step: calculate the the price after the item is marked down by 10%:

Selling price: $ 650

Mark down = 10% of 650 = 0.10 × $ 650 = $65

Price after mark down: $ 650 - $ 65 = $ 585.


2) Second step: difference of the price marked down to the cost:

$ 585 - $ 450 = $ 135


3) Calculate the percent mark up:

% mark up = (mark up / cost) × 100 = ($ 135 / $ 450) × 100 = 30%

4 0
3 years ago
there are 182 seats in a theater. The seats are evenly divided into 13 rows. How many seats are in each row
Artyom0805 [142]
There are 14 seats in each row. 
8 0
3 years ago
Evaluate this exponential expression.<br> 4. (2 + 5)2 - 52 =
Katen [24]

C.171

Step-by-step explanation:

4×7(2)-25

4×49-25

multiply 4×49=196-25

then subtract 196-25=171

6 0
4 years ago
Read 2 more answers
Penny attaches a weight of 2.5 pounds to a spring, and it stretches 18 inches.
Alik [6]

Answer:

46.08 inches

Step-by-step explanation:

2.5 pounds weight stretches a spring to 18 inches

A pound weight will stretch 18inches divided by 2.5 pounds

= 7.2 inches

6.4 pounds will stretch = 7.2 X 6.4

= 46.08 inches

5 0
4 years ago
Solve 5x+3=3x+11<br><br>Please can someone answer this.​
scoray [572]
5x + 3 = 3x + 11

• first put all the x-values on one side and the rest on the other

Remember: when the number moves to the other side of the equal sign the sign (+ OR - switches. For ex: the 3 on the left becomes negative when moved to the right side of the equal sign)

5x - 3x = 11 - 3

• subtract left and right sides separately

2x = 8

• divide both sides by 2 to solve for x

2x/2 = 8/2

x = 4 (final answer)

8 0
3 years ago
Read 2 more answers
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