Mathematics
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OpenStudy (anonymous):
7th grade math help plzzz
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OpenStudy (anonymous):
Find the mean of this set of numbers.
7, –9, 6, –10, –13, –5
A.
4
B.
7.7
C.
–24
D.
–4
OpenStudy (anonymous):
yes
OpenStudy (anonymous):
its b
OpenStudy (pottersheep):
Add all the numbers, divided by the number of numbers you have! :P
OpenStudy (pottersheep):
(7 + –9 + 6 + 10 + 13 + –5)/6
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OpenStudy (anonymous):
I did not get it
OpenStudy (pottersheep):
(7 + (-9) + 6 + 10 + 13 + –5)
_______________________________
6
OpenStudy (pottersheep):
because you have 6 numbers
OpenStudy (pottersheep):
which is 22/6
OpenStudy (anonymous):
A.
4
B.
7.7
C.
–24
D.
–4
these are my answer choices:)
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OpenStudy (anonymous):
@iGreen
OpenStudy (pottersheep):
sorry, it should be -24/6
OpenStudy (pottersheep):
so the answer is -4, but that's not a choice?
OpenStudy (anonymous):
there r no fractions:(
OpenStudy (pottersheep):
-24/6 is equal to -4, no fraction
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OpenStudy (anonymous):
ok thanks
OpenStudy (pottersheep):
4 is one of your choice, not -4. Are you sure you didn't forget a negative sign?
OpenStudy (pottersheep):
np