you and some friends are going to a museum. Each ticket costs $4.50. a. if n is the number of tickets purchased, write an expression that gives the total cost of buying n tickets

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you and some friends are going to a museum. Each ticket costs $4.50. a. if n is the number of tickets purchased, write an expression that gives the total cost of buying n tickets

Mathematics
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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.

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word problem help
are they asking you to create your own equation?
yeah for A.

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Other answers:

i got f(n)=4.5n
yea, your right, lol. ^.^
can you help me with this one?
4.5n
b) Suppose the total cost for n tickets is $36. What is the total cost if one more ticket is purchased?
ok, now just plug in 36 for f(x)
36+4.50
no
36 = 4.5n
ok thanks
thanks for being helpful. mind if you help me with other ones? @ccswims
sure!
is 20-2*3^2
does it equal 2?
yes :)
can you show me step by step how to do it
ok, use PEMDAS, or order of operations. Parenthesis Exponents Multiply Divide Add Subtract that is the order you go through things if you have a problem you just showed me
since we have no parenthesis, but we do have exponents, we would simplify the exponent first
ok
that would leave us with 20 - 2*9 now
then we have multiplication, so we do 2*9 next
and then subtract 20 - 18 last
ok thx
5*2^2 / 2+8 = 18 right?
yes
if s=4 and t=8 what is (st)^2 / (st^2)
ok, so according to PEMDAS parenthesis always comes first
so with that information, what can you do by yourself?
how is the equation set up?
(4*2)^2 / (4*2^2)
WAIT
(4*8)^2 / (4*8^2)
for some reason i put 2 instead of 8 in the first expression i gave you
oh
so work on (4*8)^2 / (4*8^2) and then tell me your answer when you get it
1?
not quite. when you multiply 4*8 you get 32 32^2 / (4*8^2) now, the (4*8^2) part can get tricky because i used to think you need to multiply 4*8 first then use the exponent. but what that parenthesis tells us is that its actually 4 * 8^2 and the 8 is the only one with the exponent. so its actually 32^2/256
then its 1024/256 = 4
so the answer is 4
can you help me with a few more plz
yea sure
do you get the problem tho?
like, do you understand how i got 4?
yeah i saw my mistake
ok, as long as you understand how to do it :)
ok so if s=4 and t=8 what is 2s^2-t^3 / 16
just tell me the set up and ill try to get it
ok, you you need to plus in 4 for s and 8 for t 2*4^2 - 8^3 / 16
ok
i messed up i think @ccswims
i got 0
the answer is actually 1, can you show me your work so i can see where you went wrong?
ok
WAIT, never mind you got it right
i messed up and divided 32 by 32, and you need to subtract 32 and 32
which im guessing you did because the answer is 0 and you got 0.
2*4^2-8^3 / 16 2*16-512 / 16 32-512 / 16 32-32
yes, you got it right
it was my mistake. your getting the hang of equations like this really well
so is it 1 or 0?
it is 0, you were right :)
hay!!!!!!! lol
thx. can you help me with 4 more?
yes :)
dang im invisible lmfao
lol nah i see you
YAY :D
i can help
ok
here is the next one
just screenshot it
\[2[(8-4)^{5} \div 8]\] \[22+1^{3}+(3^{4}-7^{2})\] ____________________________ 2^3
i have no clue
i cant screenshot it its paper
this problem is confusing
are they 2 different problems?
is that all one problem?
yeah one problem
i can skip it if u want
no no
well the top part is 256
ops its only the top one! ha lol
yea, just remember what we talked about in the beginning, PEMDAS, use your order of operations
the one that starts with 2?
yeah
the answer is 256
and the bottom one is a fraction right?
i dont need to do the bottom
okie :P
so how do i do this?
8-4=?
wait, i got 704?
4
4^5
i know the answer is 256 because my teacher gave me the answer to this one but he wants me to do the work
im showing u how
ok so parentheses first?
so far we have|dw:1439253355452:dw|
then|dw:1439253413305:dw|
then what
i dont know what to do
|dw:1439253625948:dw|
thats 128
ok so what is the absolute value of 128?
i dont know
128
oh 256
multiply use your order of operations
absolute value is the number but positive
ok i need help with 3 more
so if you have the absolute value of -128 you would get 128
i meant 2 more
we didnt finish the steps :S
3m^2-n; m=2, n=6
never mind i got it its 6
ok thank you guys for helping so much. i need to go bye
bye

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