Pre-Algebra
21 Online
OpenStudy (tonybush205):
Evaluate.
9[(22 - 17) + 5(1 + 2)]
a.
125
c.
100
b.
96
d.
180
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OpenStudy (misssmartiez):
Lets do this together! Using Pemdas!
OpenStudy (anonymous):
Ok so you have to use PEMDAS here
Simplify what's in the parentheses first.
OpenStudy (misssmartiez):
First thing we need to do is what? Do P, which stands for parentheses here!
22 - 17 =
OpenStudy (misssmartiez):
We already know what 1 + 2 is.. Mental math! 3!
So, now we need 22 - 17.
OpenStudy (misssmartiez):
What is it?
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OpenStudy (tonybush205):
5
OpenStudy (tonybush205):
@BezerkHD
OpenStudy (misssmartiez):
Now, 3 x 5 = 15, + 5 = 20
OpenStudy (misssmartiez):
9[20]
Now, what is 9 x 20
OpenStudy (bezerkhd):
seems like you got it covered
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OpenStudy (tonybush205):
is it 180
OpenStudy (misssmartiez):
Correct! That is the answer!
OpenStudy (misssmartiez):
Usually with that,
just block off the 0, and do 9 x 2. 18, now add the zero .
180.
OpenStudy (misssmartiez):
Anymore questions?
OpenStudy (tonybush205):
ok thanks i have 9 more i need help with i hade 50 questions all together
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OpenStudy (misssmartiez):
Alright, just tag me ;)
OpenStudy (tonybush205):
ok
OpenStudy (mrcoolguy):
please close this post and if you need more help post a new question