Mathematics: Find an equation of a line that passes through 2x-3y= -1 , 2x-y = 1 and (2,-2). Show your work, thanks! :)

Step-by-step explanation:Let say n the number of pennies in the jar.n is a multiple of 7 : n=7*kn-1 is a multiple of 2,3,4,5,6,8 so a multiple of the lcm= 120n-1=120*tn-1=120*tn=7*k120*t=7k-17k=120*t+1The least number of pennies is 721 (when a=0)Proof:n-1=720720/2=360720/3=240720/4=180720/5=144720/8=90721/7=103...

Find an equation of a line that passes through - id2311902375, kaylailkanic1487

Ответ:

lisaaprice14

12.11.2021

Mathematics

Step-by-step explanation:

Let say n the number of pennies in the jar.

n is a multiple of 7 : n=7*k

n-1 is a multiple of 2,3,4,5,6,8 so a multiple of the lcm= 120

n-1=120*t

n=7*k

120*t=7k-1

7k=120*t+1

$k=\dfrac{120*t+1}{7}\\k=17*t+\dfrac{t+1}{7}\\t=6+7*a\\k=17*(6+7a)+\frac{6+7*a+1}{7} =102+119*a+1+a=103+120*a\\n=7*k=7*(103+120*a)=721+840a\\\\$

The least number of pennies is 721 (when a=0)

Proof:

n-1=720

720/2=360

720/3=240

720/4=180

720/5=144

720/8=90

721/7=103

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Find an equation of a line that passes through 2x-3y= -1 , 2x-y = 1 and (2,-2). Show your work, thanks! :)

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