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Rudiy27
3 years ago
14

12x-15=6-3x what is the answer please

Mathematics
1 answer:
nevsk [136]3 years ago
3 0

Answer:

x=7/5

Step-by-step explanation:

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The rectangle has an area of 42 sq. in. Which of these could be the dimensions of the rectangle?
photoshop1234 [79]

Answer:

okay

Step-by-step explanation:

8 0
3 years ago
Please help Need help
Anettt [7]
This problem can be readily solved if we are familiar with the point-slope form of straight lines:
y-y0=m(x-x0) ...................................(1)
where 
m=slope of line
(x0,y0) is a point through which the line passes.

We know that the line passes through A(3,-6), B(1,2)

All options have a slope of -4, so that should not be a problem.  In fact, if we check the slope=(yb-ya)/(xb-xa), we do find that the slope m=-4.

So we can check which line passes through which point:

a. y+6=-4(x-3)
Rearrange to the form of equation (1) above,
y-(-6)=-4(x-3)  means that line passes through A(3,-6) => ok

b. y-1=-4(x-2) means line passes through (2,1), which is neither A nor B
   ****** this equation is not the line passing through A & B *****

c. y=-4x+6  subtract 2 from both sides (to make the y-coordinate 2)
   y-2 = -4x+4, rearrange
   y-2 = -4(x-1)  
   which means that it passes through B(1,2), so ok

d. y-2=-4(x-1)
   this is the same as the previous equation, so it passes through B(1,2), 
   this equation is ok.

Answer: the equation y-1=-4(x-2) does NOT pass through both A and B.
   
8 0
3 years ago
Select the set of equations that would be used to solve the following absolute value equation: |x+6|=18
Wewaii [24]
The answer is A. x-6=18 and x+6=18.

8 0
3 years ago
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What is the range of possible sizes for side x
vladimir1956 [14]

Answer:

4<x<12

Step-by-step explanation:

8.0+4.0=12.0

8.0-4.0=4.0 or 4

5 0
2 years ago
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What number is represented by point B?
enot [183]
It’s either a or b i’m not sure
7 0
3 years ago
Read 2 more answers
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