Mathematics
14 Online
rootbeer003:
help
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satellite73:
what's up?
rootbeer003:
eating
rootbeer003:
u rdy
satellite73:
mmmm food
satellite73:
what you got?
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rootbeer003:
jolly rancher soft bites
satellite73:
yikes
satellite73:
i think i need a snack too
what are we doing today?
rootbeer003:
math
rootbeer003:
did u get my message
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satellite73:
just did !
rootbeer003:
lmao
satellite73:
where did that come from??
rootbeer003:
ahaah
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satellite73:
k lets get busy
rootbeer003:
d
satellite73:
second one reduce \(\frac{5}{20}\)
rootbeer003:
d
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satellite73:
yeah
satellite73:
third one whatever \(-8\times 32\) is
satellite73:
did you get it?
rootbeer003:
c
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rootbeer003:
wait a
satellite73:
yes
rootbeer003:
c
satellite73:
yes
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satellite73:
last one
satellite73:
lol who wrote this stuff? the first one they tell you the first term is 2, then they give you choices, only one has the first term of 2!!
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rootbeer003:
1?
satellite73:
first one, pick the only answer that has the first term of 2
rootbeer003:
b/...
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satellite73:
doh
satellite73:
i mean "yes"
satellite73:
first one is neither (nothing is both arithmetic and geometric)
satellite73:
second one is right
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rootbeer003:
whats 1
satellite73:
"neither"
rootbeer003:
lol
rootbeer003:
u can tell i look at the choices
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satellite73:
yeah right...
satellite73:
not the first two
rootbeer003:
d
satellite73:
yeah D
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satellite73:
so D
satellite73:
yes, first one
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rootbeer003:
song smoother than butter
satellite73:
i am sure you have never seen a ford cortina
rootbeer003:
i like Porsches
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satellite73:
first one is B
\[2+4+6+8+10\]
rootbeer003:
c
rootbeer003:
b
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satellite73:
first one
satellite73:
first one again
do you know how to check it?
rootbeer003:
no
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satellite73:
plug in 1 see if you get -5, plug in 2, see if you get -1
satellite73:
or recognize \(4i-9\) as a line with slope 4, each term increases by 4
satellite73:
first one is \[\frac{60\times 61}{2}=30\times 61\] whatever that is
rootbeer003:
d
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satellite73:
yeah D
there is a formula for the second one, i forget
think it is \[\frac{n}{n}(a_1+a_n)\]
satellite73:
typo \[\frac{n}{2}(a_1+a_n)\]
satellite73:
try \[\frac{11}{2}(-12+38)\]
satellite73:
is 143 a choice?
rootbeer003:
a yea
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rootbeer003:
i thought u said d
satellite73:
d for the first one
satellite73:
second one is 143
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satellite73:
these arctic monkeys are ok
satellite73:
this is too hard for me
satellite73:
i mean they are not the beautiful south, but they are ok
rootbeer003:
ew
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rootbeer003:
do u like harry styles
satellite73:
here is my fave beautiful south song
rootbeer003:
there is no 210
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rootbeer003:
no
satellite73:
ah finally C
satellite73:
second one
what is \[2.5+26\times 3\]?
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rootbeer003:
80.5
satellite73:
ok then \[2.5+80.5\]?
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satellite73:
which is D i guess
satellite73:
D for the third one
rootbeer003:
second one is d?
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