1. If Q=2, Evaluate (34 + 18. q) - (5q + 7)
A. 38
B. 79
C. 31
D. 21
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OpenStudy (anonymous):
\[(34+18\times 2)-(5\times 2+7)\]is a better start
OpenStudy (anonymous):
then maybe a calclulator
OpenStudy (anonymous):
actually get none of the above
could there be a typo there?
OpenStudy (supercait10):
nope that's the choices
OpenStudy (anonymous):
can you post a screenshot of the question?
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OpenStudy (anonymous):
maybe i read "18.q" wrong
not really clear there
OpenStudy (supercait10):
yea i'll get a screenshot hold on
OpenStudy (anonymous):
ok
OpenStudy (supercait10):
the last one
OpenStudy (triciaal):
why is this same question posted again?
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OpenStudy (supercait10):
Because my teacher gave me a second chance at this question and he said if I couldn't figure it out after five tries he said I can ask for help so I am
OpenStudy (anonymous):
Ah 5 to the power of q, that means the following \[5^2 = (5)(5) =25\]
OpenStudy (anonymous):
oooh !!
OpenStudy (anonymous):
nothing like the equation editor
OpenStudy (triciaal):
but we can't help you if the question is not clear.
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OpenStudy (anonymous):
Please use "^" to indicate to the power of next time :)
OpenStudy (supercait10):
i just posted a file showing the test look at it to understand it
OpenStudy (anonymous):
\[(34+18\times 2)-(5^ 2+7)\]
OpenStudy (anonymous):
i guess you are supposed to be practising the "order 'o operations" right?
OpenStudy (anonymous):
you know what to do first?
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OpenStudy (supercait10):
yup now starting Algebra and haha no my weakest link in school is math I barley passed Math last year so this is beyond me I better understand History then i do math
OpenStudy (anonymous):
square first
OpenStudy (anonymous):
i.e. compute \(5^2=5\times 5\) don't think too hard here
OpenStudy (anonymous):
what do you get?
OpenStudy (supercait10):
hold on had to get a drink
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OpenStudy (anonymous):
yeah i need one too
maybe some bulleit rye
OpenStudy (supercait10):
lol maybe
OpenStudy (anonymous):
did you manage to compute \(5\times 5\) yet?
OpenStudy (supercait10):
yea
OpenStudy (anonymous):
care to share it with the class?
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OpenStudy (supercait10):
yea
OpenStudy (anonymous):
...
OpenStudy (supercait10):
25
OpenStudy (anonymous):
whew
OpenStudy (anonymous):
so now \[(34+18\times 2)-(5^ 2+7)=(34+18\times 2)-(25+7)\]
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OpenStudy (anonymous):
now lets do the multiplication \(18\times 2=?\)
OpenStudy (supercait10):
36
OpenStudy (anonymous):
ok so now we are at
\[(34+36)-(25+7)\] add in each parentheses
what do you get?
OpenStudy (supercait10):
(34 + 36 = 70) (25 + 7 = 32) all together = 102
OpenStudy (anonymous):
there is no such mathematical operation as "all together" is there?
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OpenStudy (anonymous):
you should be looking at \[70-32\]
OpenStudy (supercait10):
i'm tired so I'm really not paying attention to what I type
OpenStudy (anonymous):
then go to bed and do this arithmetic some other day
OpenStudy (supercait10):
i can't I have to have this submitted by 11:30 tonight or I fail it