REALY NEED HELP Find an equation of the line passing through the pair of points. Write the equation in the form Ax+By=C. (4,8) a
nd (3,5)
1 answer:
Let
<span>A (4,8) and B (3,5)
</span>step 1
find the slope m
m=(y2-y1)/(x2-x1)---------> m=(5-8)/(3-4)----> m=-3/-1----> m=3
step 2
with m=3 and point B (3,5) find the equation of the line
y-y1=m*(x-x1)-----> y-5=3*(x-3)----> y-5=3x-9----> 3x-y=4
the answer is
<span>the equation in the form Ax+By=C is
</span> 3x-y=4
see the attached figure
<span>A (4,8) and B (3,5)
</span>step 1
find the slope m
m=(y2-y1)/(x2-x1)---------> m=(5-8)/(3-4)----> m=-3/-1----> m=3
step 2
with m=3 and point B (3,5) find the equation of the line
y-y1=m*(x-x1)-----> y-5=3*(x-3)----> y-5=3x-9----> 3x-y=4
the answer is
<span>the equation in the form Ax+By=C is
</span> 3x-y=4
see the attached figure
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alrite...
p = amount of pennies in the jar
n = amount of nickels in the jar
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p + n = 56
we also know, the total value of all pennies and nickels is one buck and 52 cents, or 1.52.. that's 152 pennies.
now, we know there are 5 pennies in one nickel, so in "n" nickels, there are 5*n pennies, or 5n, thus
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solve for "p", to see how many penny coins are there.
what about the nickels? well, n = 56 - p.
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