anonymous
  • anonymous
THIS SEEMS CONFUSING, ANY IDEASokokokokokok
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.
jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
i have an idea on how to solve but im not sure
anonymous
  • anonymous
yess.. their are multiple choices
anonymous
  • anonymous
what's your idea?

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anonymous
  • anonymous
um............ i honestly have no clue. i need a head start please....
anonymous
  • anonymous
x is the number of students, so x = 9. They're asking for r(p(9)).
anonymous
  • anonymous
ok. sooo 9 = 4x − 3. 9+3=12 divide by 4 i get three. but its not one of the choices..... :/
anonymous
  • anonymous
r(p(9)) means plug 9 into the p(x) equation. Then plug that answer into the r(x) equation. Start by finding p(9) by plugging in 9 for x in p(x).
anonymous
  • anonymous
r(x) is just the amount of money total, not for each student
anonymous
  • anonymous
im lose now..
anonymous
  • anonymous
lost
anonymous
  • anonymous
p(x) = 2x + 1 Substitute 9 for x p(9) = 2(9) + 1
anonymous
  • anonymous
@nerlineg you're not solving for x. You're replacing it with a number
anonymous
  • anonymous
thats 19 @peachpi and that just gives you the amount of pizzas they need to order
anonymous
  • anonymous
9*2+1 = 18+1 = 19
anonymous
  • anonymous
2x +1 determines how many pizzas need to be purchased they need to know how much money needs to be brought in so, wouldnt you put in 9 in the second function ?
anonymous
  • anonymous
p(9) = 19. Now you need to find r(19) so put 19 into r(x)
anonymous
  • anonymous
@nerlineg does it grade it as soon as you put in the answer and hit submit?
anonymous
  • anonymous
no, it doesn't.
anonymous
  • anonymous
i did and i got 4
anonymous
  • anonymous
@peachpi i got 4
anonymous
  • anonymous
@nerlineg please show me how it looks when you change the x in r(x) to 19
anonymous
  • anonymous
how are you doing the math ? 4(19)=76-3=73
anonymous
  • anonymous
oh i plug it in, in the wrong one. but yes i got the same thing @dani_00 got...
anonymous
  • anonymous
just walking you through the steps @peachpi said
anonymous
  • anonymous
so... the answer 73 :)
anonymous
  • anonymous
yes 73
anonymous
  • anonymous
yep you got it
anonymous
  • anonymous
but this seem tricky. i had a hard time understanding it, but thanks to you two. :)
anonymous
  • anonymous
welcome
anonymous
  • anonymous
no problem
anonymous
  • anonymous
i have an idea to what to do next time seeing this :)

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