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Neporo4naja [7]
3 years ago
6

PLZ HELP! WIL MARK AS BEST ANSWER

Mathematics
1 answer:
prohojiy [21]3 years ago
3 0
There are  12 units in between. You have to remember the number line is in twos. So, when you count the units in between, you have to remember to count in twos. Another way to figure it out is you can count the number of lines above the numbers or plots and multiply times two to find how many units are in between. Again, multiplying it times two is necessary in this equation because it is in units of two. 

So, there are 12 units in between. 
I really hope this helps and I know how I worded it is kind of confusing, but hopefully you understand. If you have any question feel free to ask. Have an awesome day:)
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Write an<br> equation of the line that passes through each pair of points.<br> (-3,9), (-3,-5)
Fantom [35]

Answer:

x = -3

Step-by-step explanation:

x is -3 in all values so we just write an equation.

6 0
3 years ago
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A housepainter mixed 5 gal of blue paint with every 9 gal of yellow paint in order to make a green paint. What is
ella [17]

Answer:

A

Step-by-step explanation:

5:9 is the original ratio.

we know that anything times 5 would have the ones place of either 5 or 0 so we can eliminate c and d. Then we test out the other two choices.

25/5=5

45/9=5

A is correct.

15/5=3

45/9=5

Option B is incorrect.

so, the ratio is 25:45

The answer is A!

4 0
3 years ago
sal works for a computer repair shop. he has determines that customers pay on average $150 for each computer they bring in. He p
Effectus [21]

Answer:

The answer is :

sal must repair 320 computers in a year to break even.

Step-by-step explanation:

The break even point in a business is the point at which the total costs and the total revenue in a business are equal.

In order to calculate sal's break even point, we will first of all calculate the total costs incurred during the business year, then using the selling price (repairing price), we will calculate how many computers will be repaired to reach the incurred cost. This is done as follows:

Rent per month = $2,000

∴ Rent for a year (12 months) = 2,000 × 12 = $2,400

Cost incurred in fixing each computer = $75

Priced charged for fixing each computer = $150

Next, since we know that sal requires $75 in parts and labor to fix a computer, we will calculate the net price charged for each computer fixed as follows:

Net price charged = Priced charged for fixing each computer - Cost incurred in fixing each computer

Net price charged = 150 - 75 = $75

Finally to calculate the break even point, we know the net income (net price charged) for each computer and the costs of rent for each year, therefore, we will divide the cost incurred by the net price charged, as follows:

break even point = cost of rent for one year ÷ net price charged

break even point = 24,000 ÷ 75 = 320 computers.

Therefore, by the time sal repairs 320 computers during the year, he must have covered the costs incurred in operations, every additional repair, becomes a profit.

3 0
3 years ago
The ordered pair (3,9) is a solution to the system of
nadya68 [22]

Answer:

(2,7) is not a solution to the given system of equations.

Step-by-step explanation:

Given system of equation is:

2x + 3 = y

2x + y = 15

To check whether (2,7) is solution to this system or not, we will put x=2 and y=7 in both equations.

Putting x=2 and y=7 in Eqn 1

2(2) + 3 = 7

4 + 3 = 7

7 = 7

Thus the ordered pair satisfies the equation

Putting x=2 and y=7 in Eqn 2

2(2) + 7 = 15

4 + 7 = 15

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The ordered pair do not satisfy the second equation.

Hence,

(2,7) is not a solution to the given system of equations.

8 0
3 years ago
Helps the first 2 questions
andriy [413]

Answer:

The first one is 5m - 4y.

The second one is 3x - 4y.

Step-by-step explanation:

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