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irga5000 [103]
3 years ago
15

60 z+ 50 - 97z = - 37z + 49 How many solutions does this equation have ?

Mathematics
1 answer:
ExtremeBDS [4]3 years ago
6 0

Answer:

no solutions

Step-by-step explanation:

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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
Determine the equation for the line of best fit to represent the data.
Jlenok [28]

Answer:

d

Step-by-step explanation:

8 0
2 years ago
Match the following expression 12(x-3)+18=4(2x-3) with the number of solutions below.
vfiekz [6]
12(x-3) + 18 = 4(2x-3)

12x-36+18 = 8x-12

12x -18 = 8x-12

12x-8x = -12 + 18

4x = 6

x = 6/4 or 3/2

one solution A

4 0
3 years ago
Read 2 more answers
How does the length of the hypotenuse ina right triangle relate to the lengths of the legs?
Simora [160]
I am pretty sure it is "D"
7 0
3 years ago
What's the factored form of 0.00008x^4+200?
pickupchik [31]

Answer:

0.00008 (X^4 + 250000) is the answer

Step-by-step explanation:

5 0
3 years ago
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