SOLUTIONS
Given: Assume y is the population
The town grow at the rate of 30 people per year.
(A) The population predicted to be in 2030 will be
(B) so when y = 15000, find t
subtract 3 from 23 and u will get 20 then divide 2 by 2 and 2 by 20
x= 10
I think its multiplying im gonna say 144
<h3>
Answer: Perpendicular</h3>
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Work Shown:
Solve the first equation for y
3x+7y = 15
7y = -3x+15
y = (-3x+15)/7
y = (-3/7)x + 15/7
The slope here is -3/7
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Solve the second equation for y
7x-3y = 6
-3y = -7x+6
y = (-7x+6)/(-3)
y = (7/3)x - 2
The slope here is 7/3
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The slopes -3/7 and 7/3 are not equal, so we don't have parallel lines.
The lines however are perpendicular because the slopes multiply to -1
(-3/7)(7/3) = (-3*7)/(7*3) = -21/21 = -1
If it’s 2 bags of apples a day for 30 days, then that’s 60 bags of apples total (30x2)
and if the charge for a bag is $7, then multiply 7 times your total number of bags (7x60) for the cost.
the answer should be $420
