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Mnenie [13.5K]
4 years ago
10

Which of the following would you add to each side of the equation x-9=12 to get the variable by itself?

Mathematics
1 answer:
Afina-wow [57]4 years ago
7 0
The answer is 9!!!!!!
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How do you know which bacteria is growing faster?
Gelneren [198K]

Answer:when the cells seem to be moving faster and multiply at a smaller rate of speed

Step-by-step explanation:

also thats just science

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4 years ago
Gerald bought 3 shirts for 8.40 each, 2 shirts for 12.89 each, and one shirt for 18.90. What was the average cost of the shirts?
Vanyuwa [196]
So first, you add all the numbers together

8.40*3=25.20
12.89*2=25.78
18.90*1=18.90
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$69.88

Divide the number of shirts: 6 by the total amount


69.88
_____ = $11.64666= $11.65 is your answer!
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8 0
3 years ago
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Scott and Teri read mystery novels. Teri has read 3 less than 5 times as many as Scott. She has read 17. How many has Scott read
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<span>Scott read 4. Put it this way: x=4. If = 4, then put it into an equation. 5x-3= 17. So, you add three to both sides, then it comes out as this: 5x= 20. Divide by five, and you get x= 4.</span>
4 0
4 years ago
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5x= 125 help me plz
Vika [28.1K]

Answer:

x=25

Step-by-step explanation:

divide each side by 5

125/5=25

4 0
3 years ago
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Write an equation of the line in slope-intercept form that is parallel to the line y= -4 + 2 and passes through (2,4)
garik1379 [7]

Answer:

Step-by-step explanation:

If the lines are parallel, it means that the slopes are the same.  To write an equation in the slope intercept form, we need the slope and the y-intercept.  We are given the slope.  We need to find the y-intercept.  We can use the slope and the point to help us.  The point is written in the form (x,y).  In this case the point is (2,4) so we will use 2 for x and 4 for y.

y = mx + b  Plug in what we know

4 = -4(2) + b  b is what we are looking for.  It is the y-intercept

4 = -8 + b  Now add 8 to both sides

12 = b

Now we can write the equation:

y = -4x +12

5 0
2 years ago
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