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rosebebo7615
13.11.2020 •
Mathematics
Using the formula i=prt, how much interest will you earn on $ 300 at 3% interest for 3 years
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Ответ:
$27
Step-by-step explanation:
i=27
p=300
r=3%/.03
t=3
300×.03×3=27
Ответ:
The required equation is:![y = -\frac{8}{5}x+\frac{127}{25}](/tpl/images/0930/7481/682e9.png)
Step-by-step explanation:
The slope-intercept form of a line is given by:
For writing equation of a line, slope and a point is needed from which the line passes.
In order to find the slope of line perpendicular to PQ, we have to find slope of PQ first.
Slope is denoted by m and given by the formula
Given points are:
P(-1, -4) and Q (7, 1)
Putting the values
The product of slope of two pependicular lines is -1
Let m1 be the slope of line perpendicular to PQ
Now for the point, we have to find the point that divides PQ in ratio 3:2
The formula is:
Here
m = 3
n= 2
Putting the values
So we have to write equation of a line with slope -8/5 and passing through point (19/5, -1)
Putting the values in slope-intercept form
Putting the point in the equation
Putting the value of b
Hence,
The required equation is:![y = -\frac{8}{5}x+\frac{127}{25}](/tpl/images/0930/7481/682e9.png)