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valkas [14]
3 years ago
11

Stacy sells art prints for $12 each. Her expenses are $2.50 per print, plus $38 for equipment. How many prints must she sell for

her revenue to equal her expenses?
Mathematics
1 answer:
charle [14.2K]3 years ago
7 0
4 prints
12x = 2.5x + 38
at 4, these expressions are equal
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You increase the size of a page by 50% then you decrease it by 50% what is the size of the page now
Artyom0805 [142]

Answer:

75% of the original paper’s size.

Step-by-step explanation:

Let’s say that the original size was 10 inches.

You then increase it by 50%. It is now 15 inches.

Now, you decrease it by 50%. 50% of 15 is 7.5. So, the paper is now 7.5 inches.

7.5 inches is 75% of the original paper size.

I hope I helped!

Let me know if you need anything else!

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6 0
3 years ago
The large clock below hangs in Isaac's living room. If the radius of this clock is 3.5 feet, what is its circumference? Round yo
Degger [83]

Answer:

22.0

Step-by-step explanation:

knowing the radius is 3.5 -

and the formula for the circumfrence -

2 pi r

we can then use the radius -

2 * 3.14 * 3.5

which is 21.98 -

rounding to 22.0

hope this helps!!

3 0
3 years ago
Read 2 more answers
3. Complete the square for 3x2 - 6x = 21.<br> Help
PSYCHO15rus [73]

Answer:

x=1+2√2 or x=1−2√2

Step-by-step explanation:

Let's solve your equation step-by-step.

3x2−6x=21

Step 1: Since the coefficient of 3x^2 is 3, divide both sides by 3.

3x2−6x

3

=

21

3

x2−2x=7

Step 2: The coefficient of -2x is -2. Let b=-2.  

Then we need to add (b/2)^2=1 to both sides to complete the square.

Add 1 to both sides.

x2−2x+1=7+1

x2−2x+1=8

Step 3: Factor left side.

(x−1)2=8

Step 4: Take square root.

x−1=±√8

Step 5: Add 1 to both sides.

x−1+1=1±√8

x=1±√8

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7 0
3 years ago
The domain of the function is all<br> The range of the function is all
kondaur [170]

The domain of a function is the set of all the x terms of the function and the range of a function is the set of all the y terms of a function.

For example, take a look below.

The domain is the set of all x terms in each ordered pair and the

range will be the set of all the y terms in each ordered pair.

7 0
3 years ago
Find f(2) if f(x)=2x+1
IgorLugansk [536]
Answer: 5

Work Shown:
f(x) = 2x+1
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f(2) = 4+1
f(2) = 5
The input is x = 2. The output is y = 5. 
3 0
3 years ago
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