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jekas [21]
3 years ago
8

What is the equation of a line parallel to y=-5x+3 that passes through (3,1)

Mathematics
1 answer:
Crazy boy [7]3 years ago
3 0

Answer:

The Answer is y= -5x+16.

Step-by-step explanation:

A line that is parallel to another line has to have the same slope.

So start with y= -5x.

Then use the point (3,1) to find the y-intercept.

(1)= -5(3)

1 = -15

then find out what you need to do to the x side to get it to equle the y side in this equation its +16.

so your Answer is y= -5x+16.

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Y is directly proportional to x,<br> and y = 45 when x = $600...<br> Find y if x = $1000.
Paul [167]

Answer:

The Answer is: 75.

Step-by-step explanation:

Set up the equation:

45 / 600 = y / 1000

600y = 45 * 1000

600y = 45000

y = 45,000 / 600 = 75.

5 0
3 years ago
What number can be written as 40+5
Salsk061 [2.6K]
45 that is the answer
5 0
3 years ago
Read 2 more answers
Can somebody help. 7 out of 10 is what percent?
Otrada [13]

Answer:

70%

Step-by-step explanation:

Multiply by ten and you get your percent

3 0
3 years ago
Read 2 more answers
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
Can i get help on 18 &amp; 22 please
Pavlova-9 [17]

18) 36.36 rounded it is 36.4

22)53.71 rounded it it’s just 53.7

5 0
3 years ago
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