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sergey [27]
3 years ago
10

The price of an item costs $13 to make. It is marked up $6.50 to sell. What is the percent marked-up

Mathematics
1 answer:
Whitepunk [10]3 years ago
4 0

(1 + x) (13) = 13+6.5

13x + 13 = 19.5

13x = 6.5

x = 0.5

The item was marked up by 50%

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Step 1: Subtract 3 from both sides of the inequality.
zlopas [31]
5 - 8x < 2x + 3

5 - 8x < 2x + 3
<u>-3               - 3 </u> Step 1.
2 - 8x < 2x
<u>   +8x    +8x    </u> Step 2. Missing step
2        < 10x
<u>÷10        ÷10</u>   Step 3.
<u>2/10   < x</u>
<u>1/5     < x

The missing step is add 8x to both sides of the inequality.</u>
6 0
3 years ago
Read 2 more answers
4x+6=4+(2x+1) is the answer 6=6
seropon [69]

Answer:

Step-by-step explanation:

4x+6=4+(2x+1)

Opening bracket

4x + 6 = 4 + 2x + 1

Collecting like terms

4x - 2x = 4 + 1 - 6

2x = -1

x = -1/2

4 0
3 years ago
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If f(x) = 2x2 + 3 and g(x)=x2-7, find (f- g)(x).
Len [333]

The difference of the given functions is x^2 + 10

<h3>Difference of functions</h3>

Given the following functions

f(x) = 2x^2 + 3 and

g(x)=x^2-7

Take the difference

(f-g)(x) = 2x^2 + 3 - (x^2 - 7)

(f-g)(x) = 2x^2 - x^2 +3 + 7

(f-g)(x) = x^2 + 10

Hence the difference of the given functions is x^2 + 10

Learn more on difference of function here:brainly.com/question/17431959

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5 0
2 years ago
Find the difference. 60 degrees-30 degrees, 50'-40', 40"-50"
Serhud [2]

Answer:

60 degrees-30 = 90

50'-40'= 10

40"-50"= 10

Please mark brainliest and have a great day!

8 0
4 years ago
West Jones bought markers for their teachers' dry erase boards. They bought 822 items in all. Each eraser cost $1.50 and each ma
Aleksandr-060686 [28]

Answer:

<em>Number of erasers bought = 122</em>

<em>Number of markers bought = 700</em>

<em />

Step-by-step explanation:

Given that:

Two items to be bought:

1. Eraser for the dry board

2. Maker

Total items bought = 822

Total money spent = $953

Cost of each eraser = $1.50

Cost of each marker = $1.10

Let the number of erasers bought = x

Let the number of markers bought = y

As per question statement:

x+y=822 ..... (1)

1.50x+1.10y=953\\\Rightarrow 15x+11y=9530 ..... (2)

Multiplying equation (1) with 11 and subtracting from equation (2):

4x = 9530 - 822\times 11\\\Rightarrow 4x = 488\\\Rightarrow x=122

By equation (1):

\Rightarrow y =822-122\\\Rightarrow y = 700

Therefore, the answer is:

Number of erasers bought = 122

Number of markers bought = 700

6 0
3 years ago
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