Answer:
Step-by-step explanation:
<u>Points given:</u>
<u>Partition ratio: </u>
<u>Formula for the point:</u>
- x = x1 + a/(a+b)×(x2 - x1)
- y = y1 + a/(a +b)×(y2 - y1)
<u>So the points are:</u>
- x = 3 + 5/(5+3)×(7-3) = 3 + 5/8×4 = 5.5
- y = -3 + 5/8×(5 - (-3)) = -3 + 5/8×8= 2
Answer:
To find the value of y from a given value of x, find the position of x on the x-axis, then trace vertically until you meet the line. Once you meet the line, trace horizontally to the y-axis to find the corresponding value of y.
To find the value of x from a given value of y, find the position of y on the y-axis, then trace horizontally until you meet the line. Once you meet the line, trace vertically to the x-axis to find the corresponding value of x.
From inspection of the graph,
when x = 1, y = -1
when x = 0, y = 2
when x = 2, y = -4
Therefore,

To find the equation of the line, find the slope:

Then use one of the points and the found slope with the point-slope form of a linear equation: 


So the equation of this line is: 
69.99
20% off of 14.99 is 119.992 then -50 is 69.992 but we round to nearest cent and sence 2 is less than five we round down so jt is 69.99$
Answer: solanka 6-procentowa=3 kg
solanka 9-procentowa = 6 kg
Step-by-step explanation:
Let solanka 6-procentowa=x kg
Let solanka 9-procentowa = y kg
So x+y=9
=> x=9-y (1)
6%=0.06 9%=0.09 8%=0.08
So pure salt is 0.06*x +0.09*y= 9*0.08 (2)
Lets put 9-y instead x in (2)
0.06*(9-y) +0.09*y=0.72
0.54-0.06*y +0.09*y=0.72
0.03*y=0.18
y=6kg => x=9-y => x=9-6=3 kg