Mathematics: 2. the new avengers movie just came out. tickets are $18.99 per person. if you pay for five people or more you get a 20% off your final purchase. austin came with 5 other people to watch the movie with. find the total purchase after the 25% off.

2. the new avengers movie just came out. tickets

Ответ:

heroicblad

28.05.2020

Mathematics

$85.46

Step-by-step explanation:

113.94 / 4 - ans

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Ответ:

nefertitihorne12

28.05.2020

Mathematics

$15.19

Step-by-step `explanation:

This is a discount so the formula for discount is 18.99 times the decimal form of 20 percent which is .2 so after and then you get 3.798 which rounds up to 3.80 and then to get the total price with the discount you subtract 18.99 from 3.80 to get 15.19 as a final answer

Hoped this helped!

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Ответ:

scalderon2001

12.03.2022

Mathematics

$a)\\\\
a_{n+1}-a_n=d\\
for\ n=1\\
a_2-a_1=d\\
d=3-1=2\ - difference\ between\ two\ consecutive\ terms\\\\
b)\\
a_n=a_1+(n-1)d\\
n=101\\
a_{101}=1+(101-1)*2\\
a_{101}=1+100*2=200+1=201\\\\
c)\\
Sn=\frac{a_1+a_n}{2}*n\\
n=20\\
a_n=a_{20}=1+(20-1)*2=1+38=39\\
Sn=\frac{1+39}{2}*20=400\ \ Sum\ of\ the\ first\ 20 \ numbers.$

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2. the new avengers movie just came out. tickets are $18.99 per person. if you pay for five people or more you get a 20% off your final purchase. austin came with 5 other people to watch the movie with. find the total purchase after the 25% off.

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